If you have a slot machine or you have bought one old used vintage slot machine and want to have some fixes to get it work then obviously you will think you need a machine technician. Many of you will even think of taking it to some repair station to get things done. But here in the guide you will find some of the repairs that you yourself can do with your slot machine and you need not need to join machine technical repair training school.

Like any other machines Slot machines too are a blend of electronic and mechanical components, that wear with age and require routine repairs. Before you begin to repair yourself do note that every slot machine that you have purchased whether old or new comes with installation and user guide manual. You need to read that many a times until you are familiar with each components and parts of the slot machine and understand thoroughly as how the slot machine works.

In your guide to repair slot machines you will find some common repairs that can be carried out by you, some videos to watch as well. If your slot machine has some complex issue then obviously you require a qualified technician.

Changing the Top Florescent Light

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The top florescent light bulb is easily changed by following these simple procedures. The replacement bulb is an F15T8/CW 18″ 15 Watt bulb which is available at most hardware and department stores or may be purchased online at Ebay or Amazon or realslotmachinesforsale under the category ‘parts of slot machine’.

• Open the main slot machine door and ensure the door is fully open. Turn off the power to the slot machine. The power switch can be found with the main door open about midway down on the right side just inside the machine.
• If the machine is equipped with a top ticket printer, you must pull the bottom of the printer out far enough to see where the ticket paper is located, and note the area large enough to place a couple of your left fingers under.

• Remove the top metal trim strip which is a cover plate to the right of the ticket printer and/or is located along the bottom of the top glass. There are a couple of clips on the back of the metal trim strip that fit into notches on metal bracket which holds the top glass. The metal trim strip should be lifted upwards and outwards to remove.
• Once the metal trim strip is removed, the next step is to remove the top glass. Note that some top metal trim strips have a slot in the top that holds the top glass and they must be removed very carefully as to not damage or drop the top glass.

• You can now see the top glass is held in place by usually two or three clips that rise above the metal bracket behind the top metal trim strip. Now slowly lift up on the top glass from both bottom edges until the top glass until it is high enough to gently pull it forward and allowing it to slide down and away from the top track and clips holding it in place.
• Once the top glass has been removed, put it somewhere where it will not get knocked over or broken. You will see the florescent bulb in the middle of the top box area of the machine. Care should be taken removing the bulb as it may be very hot. Remove the old bulb by twisting the florescent tube about a quarter to half turn allowing the two prongs on the bulb to slide out of the fixture on both sides of the bulb.

• Remove and discard the old bulb. To install the new bulb, align the two prongs on each side of the florescent tube with the slits on each fixture in the top box of the slot machine. Twist the bulb into place normally using about a quarter to half of a turn. If the bulb is not secure or aligned, repeat the procedure.
• If your slot machine is an IGT S Plus machine, it is equipped with a florescent bulb starter. Then you can replace the starter when replacing the florescent light bulb. The starter is an FS-U Universal Starter. They are available at most hardware and department stores or may be ordered online too. The starter for the top florescent bulb on an IGT S Plus machine is located directly behind the florescent bulb fixture on the left side of the slot machine in the top box area.
• It is replaced by twisting about a quarter to half a turn as it is held in place with a bayonet type mount. Remove the old starter and discard. Replace with a new FS-U Universal Starter by aligning the two pins on the bottom of the starter with the notches in the starter receptacle, pushing it up into the starter socket, and then twisting it a quarter to half a turn into place.
• Prior to re-installing the top glass, turn the power switch on the right inside of the machine on to verify the bulb works properly. If it does not, turn the power off and check that the bulb is properly installed and secure. If replacing a starter, check that it is also properly installed and secure.
• After verifying the bulb is working, it is now time to replace the top glass. If your slot machine has a top ticket printer, ensure the ticket printer is still pulled out so you can place your fingers in the opening while replacing the top glass.
• Carefully and slowly lift up the top glass placing each hand under the bottom of the top glass. Slide it into the upper edge track on the top box of the slot machine carefully lifting it so it slides into the tracks while being able to push the top glass back far enough to clear the two or three raised clips on the metal bracket where the top glass holding track is located.
• Gently and slowly lower the top glass behind the clips so as to allow them to hold the glass in place. If properly secured, the top glass will not be able to slide down or out of its position. Keep a secure hold on the top glass until you are certain it is secured in the proper position.
• Replace the top metal trim strip by aligning the two or three hooks the back through the metal bracket that supports and holds the top glass. Once the hooks on the back are in place, gently push the top metal trim strip down and it should snap into place. If you have a slot machine with a top ticket printer, close it tight into position. Close the main slot machine door and you are ready to play.

Changing the Belly Glass Florescent Light

The belly glass florescent light bulb is easily changed by following these simple procedures. The replacement bulb is an F15T8/CW 18″ 15 Watt bulb which is available at most hardware and department stores or may be bought online as spare parts of slot machine.

• Open the main slot machine door. Turn off the power to the slot machine. The power switch can be found with the main door open about midway down on the right side just inside the machine.
• Facing the slot machine door, look on the right side of the door just around from bill acceptor area. You will see a knob sticking out that is approximately the size of the end of a regular pencil. This knob when pulled out releases the slot machine belly glass assembly (belly door) to fold down so the bulb can be accessed.

• There are a couple of very important thing to remember prior to pulling this knob to release the belly door. First try pulling gently on the knob. If it does not allow you to pull out and you have a lock installed directly above it, the lock must unlocked in order to allow the release knob to pull out. When pulling out the release knob, be ready for the belly door to fold down.
• Most of the time you must lightly pull on both sides of the belly door to get it to fold down, however always place your hand under it so it does not fall down too quickly causing the belly glass to break or crack.
• Once the belly door is in the down position, you will see the access to the florescent bulb bracket that is held in place by a small Phillips screw. Remove the screw and place it the coin tray so it will be handy when you need it after replacing the bulb.

• The long metal bracket that holds the florescent bulb must be slid slightly right or left so as to be able to lift it out of the belly door. Gently lift the metal bracket with florescent bulb out of the assembly far to be able to turn it over to replace the bulb. Be cautious as the bulb could still be hot!
• Grasp the metal bracket holding the florescent bulb and remove the old bulb by twisting the florescent tube about a quarter to half turn allowing the two prongs on the bulb to slide out of the fixture on both sides of the bulb.

• Remove and discard the old bulb.To install the new bulb, align the two prongs on each side of the florescent tube with the slits on each fixture that is on each side of the new bulb. Twist the bulb into place normally using about a quarter to half of a turn. If the bulb is not secure or aligned, repeat the procedure.
• Now turn the metal bracket that holds the newly installed bulb over and back into position in the belly glass assembly. Slid the bracket slightly right or left into position and replace the small screw which holds the metal bracket in place.
• If your slot machine is an IGT S Plus machine, it is equipped with a florescent bulb starter. So you need to replace the starter a well when replacing the florescent light bulb. The starter is an FS-U Universal Starter. They are available online and you can purchase one.
• The starter for the belly glass florescent bulb is located on the back of the main slot machine door on the lower right hand corner as you face the back of the door.

• It is replaced by twisting about a quarter to half a turn as it is held in place with a bayonet type mount. Remove the old starter and discard. Replace with a new FS-U Universal Starter by aligned the two notches on the bottom of the starter, pushing it into the starter socket, and then twisting it a quarter to half a turn into place.
• Prior to closing the belly glass door, turn the power switch on the right inside of the machine on to verify the bulb works properly. If it does not, turn the power off and check that the bulb is properly installed and secure. Also check to ensure the starter is properly installed and secured.
• Lift the belly glass assembly up and push it into place in the slot machine door. Ensure the belly glass door snaps into place and the knob on the side of the door is in its normal position. It is spring loaded so as to not allow the belly glass assembly to open unless it pulled. If the belly door appears to be in place, pull on both sides of the belly door to make sure it is locked and secure.
• If you unlocked the lock above the knob, re-lock it. Close the main slot machine door and you are ready to use your slot machine.

Changing the Push Button Bulbs

All of the slot machine’s push button lights such Play Max Credits, Spin Reels, Bet One Credit, etc. are easily replaced by following this simple procedure. The replacement bulbs are #161 on IGT S2000 machines and #555 on IGT S+ machines and may be purchased from online stores.

• Fully open the slot machine door. Look on the backside of the door. Each push button will extend down from the shelf on the door and will have a small wire bundle going to it. Identify which push button bulb needs to be replaced.
• Carefully pull down on the bottom of the push button area that is normally white and is where you will see wiring connected. Using your thumb and two fingers, pull straight down and the bottom portion of the push button should snap out.

• You will now be able to see the bulb in the top area of the lower push button assembly. Use caution as the bulb may be very hot. Pull the wedge bulb out and discard it. Notice the slot in which the bulb located.
• Place a new bulb in the slot noting the direction of slot ensuring the new wedge bulb is inserted so as to line up in the slot. Push the new bulb into place.

• Replace the bottom of the push button assembly by inserting it into the top portion of the push button assembly. The bottom portion will snap into position. Ensure that none of the wire connections have been accidentally knocked loose on the bottom of the push button. Note the push button light will not illuminate until the slot machine door is closed. Close the main slot machine door and you are ready to play.

Changing the Small Panel Lights

The small panel lights that illuminate the denomination amount and other areas behind the glass are easily changed. For denomination amount lights on the IGT S2000, a #73 bulb is needed and a #86 bulb is needed on the IGT S+ slot machines. They may be bought online from slot machine selling sites.

Here it is described as how to change the lights behind denomination amounts such as .25 Cents. Other small panel light bulbs are changed in the same manner.

• Fully open the slot machine door. Look on the backside of the door. Note the location where the denomination amount would be located near the center just below the slot machine’s center glass. The area will appear to be flat with a small bulb holder projecting out that is slightly larger in diameter than a regular pencil and is flat on two or four sides.

• This bulb holder is removed by simply twisting it a quarter to half a turn and then gently pulling it out of its socket. It is held in place by somewhat of a bayonet type mount.
• Once the bulb holder is removed, pull the wedge bulb out of the socket and discard the old bulb. Caution should be taken as the old bulb may be very hot. Replace the bulb by firmly inserting a new bulb into the socket of the bulb holder being careful to align the wedge bulb correctly into the slot.
• Take the bulb holder and look for two notches on each side of the opening where the bulb holder is inserted. Note there are two notches on the bulb holder. Align the notches inserting the bulb holder into the panel.
• Gently twist the bulb holder about a quarter to half a turn to lock it into place. Verify the bulb is illuminating, and if not repeat the procedure using a different new bulb. Now close the main slot machine door and ready to use.

Cleaning Your Slot Machine

This is common thing and all you need is usually nothing more than a damp cloth to clean the exterior cabinet of your slot machine. Never use any abrasive or ammonia based cleaners on the cabinet of the machine.

The slot machine top, center and belly glasses may all be cleaned on the outside by using a window cleaner. However if you own a slot machine with a frosted exterior glass or one that has any exterior decorated markings such as stars, a window cleaner should not be used as the cleaner may damage the exterior images. Care should be taken cleaning interior glass as a cleaner and cloth may damage labels or markings.

The inside of the slot machine should not require cleaning other than occasionally removing dust. This can normally be done with a damp clean cloth, however ensure the power switch has been turned off prior to cleaning.

When wiping dust inside your machine, be careful not to loosen any wires or connections. Do not use a damp cloth on the face of your reel strips as the playing symbols on the reel strips could come off or become torn. Also be very careful not to touch the back side of your reel strips with a damp cloth especially if the back sides of the reel strips are black. This can cause damage to this type reel strip.

When your Slot Machine Doesn’t Power On

When you get a slot machine and wish to locate or set up at your place, determine the household 120V AC outlet you are planning to use has power. Keep in mind some outlets are controlled on and off by a wall switch.

• With the slot machine unplugged from the outlet and surge protector, open the slot machine main door. Remove the coin tray by lifting up and pulling out the tray. Simply pull it out and down to remove the tray.

Category C Slot Machines

• The hopper is on the bottom floor of the machine and slides out on two base rails along two metal guides. Slide the hopper out slowly by grasping the handle with your left hand and supporting the hopper with your right hand. Do not use the black hopper bowl to pull the hopper out of the slot machine.
• On the lower right corner of the slot machine you should see the black power cord coming into the machine. The power cord plugs into the Power Distribution Unit which is located on the back wall of the slot machine.
• Verify the power cord is firmly plugged into place into the right side of the Power Distribution Unit.

• Place the hopper back into the slot machine making sure it slides in easily and completely with the base rails on hopper guides on the bottom of the machine. The hopper plugs into a receptacle toward the back of the machine. It is designed to fit in easily without using excessive force.
• The coin tray can be easily put back into place by ensuring the alignment pins on the coin tray match up to the top alignment holes on the bottom side of the machine. The tray should be pushed down into place. Make sure the tray is even when pushed into place. If the coin tray is not aligned and even, remove the coin tray, and repeat the procedure.
• Verify the power cord is firmly plugged into a good surge protector. Plug the end of surge protector into the outlet you have verified is good, and make sure the on/off switch on the surge protector is turned on.
• Now turn the power switch on the inside right of the slot machine to the on position and verify the slot machine is powered on by lights illuminating.

Jackpot Payout Reset

When your slot machine just hit a 25,000 credit Jackpot it now needs to be reset to continue playing. Depending on the model slot machine you have and the amount of the payout will determine the best course of action.

If you have an IGT S+ Slot Machine and your win is under the maximum payout amount specified on the center glass of the machine, the hopper may run out of coins or tokens. This is normally displayed by Error Code 3300. In this case it usually a simple matter of taking the coins or tokens that have been paid out and putting them back in the hopper allowing it to fully pay out. However, if you won a large jackpot that is “hand pay out”, then follow the steps below.

• First open the main slot machine door. Locate the Jackpot Key which is normally kept inside the slot machine in a plastic envelope on the side of the cash box. If you do not find it inside the machine, often times the Jackpot Key will be strapped with the main slot machine door key. It is a small key as pictured below.
• Take the key in hand and locate the jackpot reset which is a keyhole located on the right side of the slot machine. It is normally about two-thirds up from the bottom of the machine.

• Insert the Jackpot Reset Key into the keyhole. Turn the key only one quarter turn to the right. This will reset the machine, and once you close the main slot machine door, you will be ready to resume play.
• Note that if you turn the Jackpot reset key multiple times you may place your slot machine into a test mode and will thus delay your ability to continue playing.

Some of the Error Codes you get on Slot Machine

Error Code 3300 (IGT S+ Machines)

Simply put Error Code 3300 is normally telling you your hopper is low on or completely out of coins or tokens.

Open the main slot machine door. Look into the hopper. If it is empty or has just a few coins or tokens, place about 500 coins or tokens back into the hopper. Close the main slot machine door. In a few moments you should hear the sound of the hopper’s motor turning and soon the remaining coin payout will begin.

Error Code 3100 (IGT S+ Machines)

Error Code 3100 (Extra Coin Out Tilt) normally signifies either a jammed/stuck coin or token in the coin-out chute on the hopper, or the hopper coin-out sensor has detected the hopper may have paid out an extra coin.

• Open the main slot machine door. Remove the coin tray by lifting up and pulling out the tray. Simply pull it out and down to remove the tray.
• The hopper is on the bottom floor of the machine and slides out on two base rails along two metal guides. Slide the hopper out slowly by grasping the handle with your left hand and supporting the hopper with your right hand. Do not use the black hopper bowl to pull the hopper out of the slot machine.
• Inspect the hopper to determine if any coins/tokens appear to stuck or jammed in the hopper knife or the hopper coin-out channel.
• If a coin appears to be stuck or jammed, empty the hopper of coins/tokens for easier access to clearing the jammed coin/token.
• Once the stuck or jammed coin has been removed, place the hopper back into the slot machine making sure it slides in easily and completely with the base rails on hopper guides on the bottom of the machine. The hopper plugs into a receptacle toward the back of the machine. It is designed to fit in easily without using excessive force
• Refill the hopper with the proper size coins or tokens. The coin tray can be easily put back into place by ensuring the alignment pins on the coin tray match up to the top alignment holes on the bottom side of the machine. The tray should be pushed down into place. Make sure the tray is even when pushed into place. If the coin tray is not aligned and even, remove the coin tray, and repeat the procedure.
• Close the main slot machine door. The error code should be gone and the machine is ready to play.

Error Code 12 (IGT S+ Machines)

The 3.6 volt battery on the slot machine CPU Board normally lasts for years. However when an Error Code 12 is displayed, this is an indication the battery voltage has dropped below 2.9 volts and is now a low battery.

It is recommended to replace the battery as soon as possible. They can be purchased online from ebay, amazon or realslotmachinesforsale. When ordering a replacement battery, they will provide you with detailed instructions on how to change this battery which is located on the slot machine’s CPU Board.

In order to reset Error Code 12 temporarily, simply open and close the main slot machine door. It is important not to wait for a long time to replace the battery as data stored on the RAM may be lost. Replace the battery Asap.

Following are some of the other error codes that might interest you to solve your problem in repairing the slot machine

Hopper is Full and Coins Go Down a Chute to Bottom of Machine

Slot machines that accept coins were designed this way because when used constantly on the casino floor, hoppers could quickly fill. There is a coin level probe on side of the hopper that looks like a brass screw sticking inward toward the hopper bowl. This probe detects when coins/tokens are at a selected level, and will cause the subsequent coins/tokens played to go down a chute to the bottom of the slot machine.

Provided your slot machine sets on a regular casino slot machine stand with holes in the top and the holes are aligned with the slot machine, those coins which bypassed the hopper will go down the chute, through the hole in the bottom of the machine, through the hole in the top of the stand, and into the open area in the stand cabinet. As casinos have done for years, place a small plastic tub in the slot machine stand cabinet to collect these excess coins.

Retrieving Currency from the Cash Box

Though not all slot machines are equipped to accept currency in order to comply with certain laws but if your slot machine is equipped with a bill acceptor, bill transport and cash box, the bills in the cash box can easily be retrieved.

• Open the slot machine main door. The cash box door is located just under the yellow chute for the bill acceptor. Ensure the cash box door is fully open.
• On the right side of the cash box toward the top is a release level. Push release lever down and pull the cash box straight out toward you. If the cash box seems difficult or impossible to pull out, make sure you have pushed the release lever down.

• Hold the cash box in both hands and turn it upside down. Notice on the bottom of the cash box is a door which has two small finger sized holes on one side. Normally the door is held closed by a small piece of electrical tape so the bottom cash box door doesn’t come open while removing it from the cash box chassis of the slot machine.
• While holding the cash box with the bottom door up toward you, open the door and you will see where the bills are stored. The large spring expands as more and more bills are added to the cash box. Remove the bills by pulling them straight out.
• Close the bottom door of the cash box and re-secure the door using the same small piece of electrical tape. Turn the cash box around to the original position when you removed it from the slot machine.
• Align the flat top of the cash box with the flat surface at the top of the cash box chassis from which you removed it. Slide it firmly into place. Now close the cash box door and the main slot machine door and you are ready to use it for gaming.

All the content, graphics and videos in this post have been gathered by research for you from various online sources and hope this helps you as a guide to repair your slot machines. Note that many guide books and manuals too are there for you to buy from online stores which are handy to know as how to repair your slot machines. Just stay tuned at realslotmachinesforsale and know many more interesting information about slot machines.

Slot machines can be categorized into different types. These categorizations are based on various factors. In every casino, there can be various types of slots available, ranging from the touch-screen, video slots, multi-coin, single-coin, etc. Picking a device is extremely important for every player because nobody wants to play a slot that they cannot afford. Additionally, each player picks a slot machine, which feels good and comfortable. After all, slots are supposed to be entertaining.

Casino Types

Here are the best casinos depending on their denominations.

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Technology is what drives the development of slots games. Even if you do not know how to play the new types of slots do not worry, they are very intuitive and fun. Besides ever machine has an explanation of each game. Online it is even easier because you can click an icon and you get a full explanation of the game. There is also a Help page with more detailed information. Many sites also have a support team, to help you out if you need assistance.

On this page, we will give you more information about the online slots machines and the most common ways in which slots are categorized. Here is what you can expect when playing slots.

Categorization

To make it easier for the gamblers, slot machines are divided into two main categories:

Denominations

One of the easiest and most common ways of organizing slots into types is by taking into consideration their denominations. Some games can be played only with pennies, while others accept dollars. Some allow you to choose from several options.

The most common denominations for slots

• Pennies ( lowest possible denomination of currency)
• Nickels (most inexpensive way to earn a decent award)
• Quarters (more expensive than nickels but with better payout)
• Dollars (see how to test your luck with only a dollar to get started)
• High Limit (games that allow you to play for higher stakes)

Number of Reels

The reel is the spinning symbols on the front of the slot machine. In the past, they were large hoops of metal that spun inside the machine, but nowadays they are just a show. Most of the modern slot games show these reels as video screens, or the spin is powered by an electronic mechanism.

The traditional casino slot machines have three reels, but the most advanced models use five reels. There are 20 or 24 stops on each reel. In the past the reels were spun mechanically by pulling the lever, no everything is done automatically. If you would like to try slots with multiple reels, keep in mind that what the additional reels do is increase the possibility of a larger jackpot because it is also harder to win on a game with more reels.

The three-reel slots are considered the original game, which was invented and introduced to the world by Charles Fey. The three-reel classic slot is still available in land-based casinos, but they have mostly nostalgic value. Modern technology replaced these quite fast.

Common slot reels variations

• 3 Reel (classic slots, suitable for players with traditional taste )
• 5 Reel (most popular game with great bonuses and various themes)
• 6 Reel (alternative variant of standard game with potential for big wins)
• 7 Reel (for players who want more and like 3 and 5 reels slots)

Type of Games

During the years, slots have gone from very basic games with three reels to exciting, interactive games with great 3D effects, impressive sound, and features. You can find different variations of the machines depending on your location. Here are they.

Main types of games

• Pokies (slots in Australia – variations, bet sizes and strategies)

Second and Third Class Slots

In the US the slot machines are categorized as a second or third class. The third class slots are the traditional ones you can play in Las Vegas, Atlantic City, and other famous gambling destinations. The second class slots are found in smaller towns and gambling spots, often states which restrict the casinos and gambling. The Class Three slots machines are also known as the “Vegas-style” machine. Each spin with these is an independent event, and the outcome is determined by the spinning of the reels. Every spin can take you closer to winning or losing within the rules of the game.

Class Two slots are similar to bingo or lottery games. Instead of playing against the house as with the previous type, the players are playing against each other trying to get the jackpot, which makes it more like bingo and lottery games.

Thanks to the slot themes, the game looks and feels like a traditional slot, but the mechanism behind it is bingo based. The results of the games depend on other results because there are defined the number of wins and losses in each given set of numbers.

Flat Top vs. Progressive Slot Machines

Some time ago slots offered only fixed top jackpot. But things have changed. Nowadays the games with fixed top prize are called flat top slot machines, and they are still quite common. When you play those, there is a lower prize for the big winner, but the chances of winning that same prize are much better than with progressive jackpot scheme.

Progressive slots represent a whole group of slots, which pay out a joint jackpot. A progressive slot machine, on the other hand, has a jackpot that accumulates and increases. This is usually a stunning jackpot and can be compared to what you can win playing the lottery.

How it works is the house takes a small percentage of each bet placed and adds it to the jackpot until someone wins it. At that point, the game starts all over again with new starting jackpot amount. Once hit, the progressive jackpot will reset and then continue to grow from there. Progressive slots can fall into different categories as well.

For example, there are slots with a jackpot unique to a machine – the standalone progressives. The other type of progressive jackpot is the one offered by local area networks which have many machines in a single casino, and they all share that jackpot. These are also common.

Another type is the wide area progressives which are linked across multiple casinos. These offer the largest jackpots because they are comprised of a large number of players contributing when they spin the wheel, no matter of their location. One of the most famous slots of this type is the Megabucks network, where the jackpot starts at 10 million. There are instances where the amount had reached 20 or 30 million before someone won it.

Progressive slots are becoming more and more popular, and casino operators are introducing new features to keep this trend going. With the introduction of online casinos, progressive jackpots are growing even more in popularity. It is also common to see a casino giving you the opportunity to hit a PJ generated through other online platforms. Another example is linking together the slot machines from multiple casinos in the same state. This is a recent development that helps the jackpots reach stunning numbers.

The stand-alone slots are not connected to the progressive jackpot network, and their payout schedule is posted on the machine. These are suitable for players who want to play longer but still conserve their bankroll. Since there is no PJ in stand-alone machines, the payout is higher.

Progressive slots, on the other hand, are quite popular and are available in both land-based and online casinos. The percentage of the amount which is taken from each bet to feed the PJ varies, and it can be as high as 15%. And of course, the jackpot keeps growing until someone wins it.

Online, the network jackpots could even include bets being made all over the world! If you want to qualify for the progressive jackpot, you need to bet the required maximum number of coins. Because of the way in which the progressive jackpot is being also accumulated the reason why payout for other winning combinations is less than they could be. Of course, players who choose to compete for the progressive jackpot should accept the lower payouts for the regular wins and play with the maximum number of coins to qualify for some truly life-changing jackpots.

We already mentioned that some PJ’s reach one million or more. The jackpots of the slot machines take the time to grow and are harder to win, but in the end, it is worth it. And you can still win smaller progressive jackpots that are being won every day.

Land Based vs. Online Slots

You can play online slots on your computer or mobile device through the internet. These slots work in a similar way as traditional Vegas-style machines, but the cash transactions are also handled over the internet. Online slots have their advantages and disadvantages compared to the land-based ones.

Some of the advantages are that you can play anywhere anytime, but probably the biggest plus is the higher payout percentage. Internet casinos do not have overhead costs so that they can afford it.

One of the main disadvantages to playing online is that if you win, you do not get your prize immediately. Withdrawing the funds takes some time because there is processing time both from the casino cashier department and your payment method of choice.

Loose vs. Tight Slots

This categorization is entirely subjective. We call a loose game the one that pays more and more often, while a tight game is an opposite. A customer cannot evaluate the payout percentage on a slot machine game, but it is a matter of different opinions if a game is loose or tight. Some people may think a game is loose; other may not agree. You can read various comments on the gambling forums; this is a very much discussed topic.

Paylines

Every slot machine has lines, and when a winning combination appears, the lines become a pay line. Usually, slot machine games have a single pay line. It is the line that goes across the center of the three reels. If the right symbols line up in a certain combination, the game pays out.

Newer slot machines offer multiple pay lines on five reels, and some of the patterns can be quite complicated, but there is a better chance of winning small amounts with every spin. Some of these machines have 3, 5 or even 25 pay lines.

The old machines took one coin and had one line, but that changed and now with more coins, you can have more lines. The original technology of the slot machines allowed one line, but computer software allowed much more. The first lines that were generated by a computer were straight lines; then slot designers learned how to create slots with diagonals and zig-zags.

Now there are games that have 50 or more lines, but the common number of lines in multi-pay line slots is 15 to 25. On the multi-pay line slots, though, you need to activate a line for it to pay, which means betting on that line. These slots might seem complicated, but actually even new players like them. However, sometimes new players learn quickly when a winning combination comes up, and they realize they did not activate it by betting on it. Remember, if you want to activate a pay line you have to bet on it.

There are innovations in the slot machine industry too, a recent new type of slot called the 243 ways is built on the concept of pay lines entirely. The machine pays out if any combination of winning symbols in in the right order from left to right on the screen.

Modern slots also feature a variety of bonus games and special wild symbols that function in different ways. The industry is developing fast, and we can expect new types of slots very soon.

Single-coin and Multi-coin Machines

Single-coin machines are hard to find, as they have become quite obsolete after the introduction of the multi-coin machines. Most modern casinos have the latest online slot machines available on the market as they provide way more entertainment, and this is what matters in a casino. Additionally, single-coin machines are much less profitable than last generation slots.

Some older casinos may still have them, and a player can get a little retro experience if they choose to. Plus their bankroll will be able to afford it for longer.

As the name suggests, this is a machine that can take more than one coin and has a payout ratio according to the coins played. This is also usually called a Multiplier. The first machine of this type was introduced by Bally in 1987 and was used by the casinos as a way to encourage players to place bigger bets.

For example, if you bet a single coin and hit the three sevens you will win, say 5 dollars or pounds, but if you bet two coins, you can win 10 dollars or pounds if the machine shows the same combination. Multipliers pay out proportionally on all winnings with the exception of the biggest jackpots where the payout is larger if you play with the maximum bet.

The majority of slots in the casinos are multipliers, and also there are some single-coin machines to play here and there, most of the players prefer to bet the maximum. Another reason why manufacturers introduced machines with more than one pay line is to provide more action to players. Usually, each extra line requires one more credit to get activated and when a coin is inserted additional indicator lights up showing that the pay line is active. You can find various machines with many pay lines. Electronic slot machines, as well as online casinos, offer slots with 30 and even 50 pay lines.

Playing more than one pay line does not mean an increase in the chances of winning the jackpot, but it does not hurt to have them either. Each machine is different regarding payout ratio. It is set by the manufacturer in line with the requests of the casino, as you can see in the blog section.

Buy-Your-Pay Machines

This type of machines can be a bit tricky, but not very complicated. You can identify these machines by looking at the payout schedule, which is usually displayed on the screen of the device. The machines are multi-coin and accept up to five coins. Each coin you put in buys you a winning combination. If you have put in the correct amount of coins, the winner comes up, and you get paid. If you have not put enough coins to activate a combination you do not get anything even when the winning combination comes up.

The winning combinations are different, depending on the number of coins inserted. For example, playing with one coin counts three bars as the only possible winning combination, if you hit three cherries, the machine will not pay. However, if you insert more coins, then there are more combinations treated as winning.

These machines are not as popular as they used to be, but they can still be found in some casinos. Keep in mind that if you decide to play on such a machine, you need to bet the maximum amount of coins every time, so that you unlock all the winning combinations.

Overall, it is a good idea to avoid buy-you-pay machines as they can get quite frustrating if someone hits the jackpot with only one coin.

Wild Play Slots

These machines are the ones that offer most fun because they offer a chance to multiply your winnings. If a player hits a winning combination with a wild symbol in it the winnings will be doubled; then it will be multiplied by four.

If there are three symbols, they form their own winning combination. Every time you win on a Wild play machine you need to check the payout display, as each machine has its own payout ratio.

These machines and games became popular after the release of Double and Triple Diamond machines by IGT. They became very popular with their diamond wild symbols. These machines quickly became very popular and attractive to players and also profitable for casino operators.

Who are the Big Berthas?

Big Berthas are the largest slot machines currently build. They are usually placed near the entrance because they are very interesting for new players. On the Big Berthas, you can have three or more reels, but these types of machines do not offer high payout percentage.

Multi-Game Machines

These are proven to be quite popular as they let you switch between games without having to move machines. For example, you can play different kinds of video keno, slots, blackjack and video poker on the same machine.

These machines often allow different denominations as well. You can start by playing a game with quarter denominations and then more to video keno for example which is in 1-denomination.

Touch-Screen Machines

When touch screen technology got introduced, the gambling industry was hugely affected, and many manufacturers started adopting high-tech methods of interaction with the slot machine.

Since their touch-screen release slots have been very popular and successful, especially those models that have their main screen is located in such a spot where players can also rest their hands on something.

Video Slots

These slots are a computer software that looks like reels spinning and symbols lining up. The main feature that differentiates the video slots from the rest is that they can offer more than five pay lines. There are video slots with 100 different pay lines. On top of that video, slots offer various bonuses while you play like different modes and rounds that can bring you more winnings.

The five-reel video slots were once the new generation of online slot machines. There are more reels, symbols, combinations and pay lines. The payout schedule also increases because the machine takes in more money because players bet on more lines. Most video slots have specific themes, and the five-reel slot allows more sophisticated themes.

3-D Slots

These are the latest generation of slots. They combine the slots concept with the 3D storyline, which makes them very interesting and interactive. The storylines are different, from high adventures to romantic affairs. The three-dimension technology is quite new, so there are not many casinos that have implemented it. But we believe this will change quickly. Before playing always check reviews and licensing, so that you can be sure you are playing at a reputable casino.

Bonus Multipliers

These slots are great as they pay an extra bonus when you win after playing the maximum number of coins (at most casinos it is three). The bonuses may vary, but for example, there can be a ten coin payout for a specific winning combination when you bet one coin only; a 20 coin payout for two coins, but a much larger (for example 50 coin payout) if you bet on three coins.

Bonus Games

Most slots offer attractive bonuses like an extra incentive for players. The bonuses may come in the form of separate free slot machines that the player can enjoy for free. The payouts of the bonus games are based on the bet that generated the bonus. The so-called scatter symbols are very popular slot bonuses. These usually follow separate rules. Often it is easier to win with scatter symbols than with the regular games. Scatter wins usually will award you with free spins. Their number varies, but 15 is the standard. You cannot bet on a free spin because the payouts are based on the bets you made that generated the scatter bonus.

Slots Tournaments

If you want to take part in a slot tournament, you need to pay a buy-in fee. As it increases the payout pool does too. Recently there was a tournament which gathered so many entrants that the winner got more than one million dollar jackpot.

Most online slot machines sites and casinos encourage and sponsor slots tournaments. Usually, there is a window which gives you all the details you need: the schedule of the tournament, the starting time, buy-in amount, payout pool and much more. You do not need to spend much to participate; you can actually enter in a tournament with a small buy-in and enjoy the action.

Summary

Despite the specific type or category, online slot machines are the most popular games in the gambling world. No matter if they are offline or online slots they offer the largest variety of diversion and fun. On this page, we are listing all the types and categorization of slots that we have come across, and we hope this information will help you find the slot machine that fits your taste best!