42 code

[B-52BadByron]

I have a 42 code on a RW&B S+ machine.  I have changed the reel and I have also switched reel 1 and reel 2 wires and still have 42.  Anyone know a fix for this problem?

[stayouttadabunker]

The [42] error should have been a [41] error code - if you switched reel#1 with reel#2.
Because the code didn't change when you switched reels -
the problem either with one of the harness connector pins or the MPU.

Try switching the reel#1 Molex connector to the 2nd reel and the #2 reel connector to the #1 reel
and see if the you get a code [41]

If not, then check the pins inside the Molex reel connectors
to see if any pins got pushed back into the housing.
I'd highly suspect the #2 reel Molex pins.

Do you have a spare MPU?

[cademor]

If you have switched reel 1 for reel 2 and persist erros 42 then your problem is posible wire or MPU but if erros changed erros 41 or 43 then your problem is reel sense optic or motor step step.

[B-52BadByron]

I switched out the MPU and that fixed the problem.  Thanks

[stayouttadabunker]

I switched out the MPU and that fixed the problem.  Thanks

You solved one problem but you still have a bad MPU.... 

[B-52BadByron]

I have 8 extras so no problem!

[Inieas]

Does anyone know how to repair the mpu in the case of continuous 41, 42, 43 Tilts? I hate just replacing hardware and not repairing it!

[knagl]

Does anyone know how to repair the mpu in the case of continuous 41, 42, 43 Tilts? I hate just replacing hardware and not repairing it!

Check out the "S+ CPU 2" .pdf file attached to this post.  There's a good "1" and "3" .pdf file in that thread, too, but "2" addresses reel tilt issues.

[TZtech]

Most often its the stepper motor IC's as per Ozzys post - But before you replace these just confirm its not the optic side by doing a input test and moving the reel manually.
If it is the stepper IC you can steal one from the reel 4 and 5 position if you dont have any replacements - as long as You have a 3 reel chip machine wont mind.

[reho33]

I have an S2000 that had a Reel 1 Tilt error. I believe the SB chip failed the same way. So it's not just on the S+ platform. One hint: Don't turn the reels manually by hand when the machine is on! It might just error but in my friend's case, it fried the Stepper Base chip. His kid tried to line up the 3 Jackpot symbols and that's what happened.

[poppo]

One hint: Don't turn the reels manually by hand when the machine is on! It might just error but in my friend's case, it fried the Stepper Base chip. His kid tried to line up the 3 Jackpot symbols and that's what happened.

Stepper motors just like regular motors can also act like a generator. If turned slowly and just a bit, would probably not cause a problem. But if someone gives it a good spin, it can generate enough juice to fry the controller.

[Buzz]

One hint: Don't turn the reels manually by hand when the machine is on! It might just error but in my friend's case, it fried the Stepper Base chip. His kid tried to line up the 3 Jackpot symbols and that's what happened.

Stepper motors just like regular motors can also act like a generator. If turned slowly and just a bit, would probably not cause a problem. But if someone gives it a good spin, it can generate enough juice to fry the controller.

 Wait a minute, if you have the power on, how are you going to give the reel a GOOD spin ??     

[poppo]

Wait a minute, if you have the power on, how are you going to give the reel a GOOD spin ??     

Some stepper motors (like those used in slots) are not that strong. I've accidentally rubbed my arm against a reel and had it move fairly easily (and tilt of course). Now, I've built CNC machines with high torque steppers that are not going to budge under power. Point being is you can grab the reel and turn it fast enough for it to possibly do bad things.

[reho33]

Well the SB chip is kaput...........because of what is described above. I truly believe that. On the S+ the reels "stiffen" up when the power is applied whereas on the S2000, they don't. (I Think).

[Foster]

I doubt that spinning the reels on a S2000 can damage the Base chip normally.
I wont say it cant happen but I find it highly unlikely.
Spinning the reels would more likely damage logic that is connected to the stepper controllers, or reel optics.
IGT likes to use Opto Isolators when ever possible or feels the need to do so.

More likely that something was removed with the power on that caused the base chip to fail.

[Buzz]

Wait a minute, if you have the power on, how are you going to give the reel a GOOD spin ??      

Some stepper motors (like those used in slots) are not that strong. I've accidentally rubbed my arm against a reel and had it move fairly easily (and tilt of course). Now, I've built CNC machines with high torque steppers that are not going to budge under power. Point being is you can grab the reel and turn it fast enough for it to possibly do bad things.

Mark  only two words need to be said " B S. " I'm not just going to believe something just because you say it so.  Try this, with the power off to one of your machines spin one of your reels as hard as you can. How many revolutions did it make ??  Bet you it didn't make one complete rev. more likely less than a half. Produce enough electricity to harm a base chip sure I'm really believing that one !! right

I'm not 100% sure on this statement, but I never heard of a electrical motor that will produce electricity, if it did it wouldn't be a motor it would be a generator. Now you can hook electricity to a generator and it will spin like  a motor ( that's how we use to test generators to see if they were good or bad)


Reed Yes S 2000 reels get stiff just like a S+

[brichter]

I'm not 100% sure on this statement, but I never heard of a electrical motor that will produce electricity, if it did it wouldn't be a motor it would be a generator. Now you can hook electricity to a generator and it will spin like  a motor ( that's how we use to test generators to see if they were good or bad)

Hey, Buzz, Mark is correct.

An electric motor can function as a generator, that's exactly the principal behind hybrid cars: The power unit functions as a motor running off the batteries to drive the car on acceleration, and functions as a generator to charge the batteries on deceleration.

You also proved this with your generator test above, you were applying power to the generator and it functioned as a motor. 

[Foster]

DC motors with brushes can generate electricity but probably not as efficiently as a generator.
Due to how they are designed and made.

Stepper motors are AC devices, I doubt they can produce any electricity if they can it would be on the order of mV to maybe 1V.
They do not spin very much by hand with power applied. now with power off they will spin more freely.
 

[brichter]

Stepper motors are AC devices,
 

This is incorrect.

Stepper motors are DC devices which function by using a ferrous core in the rotor ( this can be a permanent magnet in the case of a PM stepper motor or a non-magnetic design in the case of a variable reluctance motor, or both can be used in the case of a hybrid stepper motor), and the rotor is moved by energizing stator windings in sequence. In the case of a variable reluctance motor, there will be no electricity produced if you spin the rotor, since there is no magnetic field present. Note that both the PM and hybrid steppers will generate electricity if you spin them, since you're rotating a magnet past electrical coils and we all know what happens when magnetic flux fields move past electrical conductors.

Here's a pretty good technical description of stepper motors and their functions:
http://www.engineersgarage.com/articles/stepper-motors

[Foster]

Actually I have read they are AC or DC (pulsing DC which is is really a form of AC)

http://en.wikipedia.org/wiki/Stepper_motor

According to the S+ MPU schematic they feed 24VAC to the TY40477 Stepper controllers.
Why would IGT do that if they are not AC

[poppo]

I agree that the only thing likely to be damaged is the stepper driver chip and to a lesser degree the optics circuit or drivers for back lit reels if equipped if the reel is unplugged/plugged in under power

[brichter]

Actually I have read they are AC or DC (pulsing DC which is is really a form of AC)

http://en.wikipedia.org/wiki/Stepper_motor

According to the S+ MPU schematic they feed 24VAC to the TY40477 Stepper controllers.
Why would IGT do that if they are not AC

AC is defined as current flow that periodically reverses. DC NEVER reverses, pulsed or not. When DC is pulsed, it will go from 0 to some value either negative or positive, and back to 0.

I looked up a data sheet for the TY404 series stepper controller you mention above (http://pdf1.alldatasheet.com/datasheet-pdf/view/156973/RALTRON/TY4045AD3.html), the supply voltage is listed as 3.3 or 5v. You may want to revisit the schematic.

[poppo]

AC is defined as current flow that periodically reverses. DC NEVER reverses, pulsed or not. When DC is pulsed, it will go from 0 to some value either negative or positive, and back to 0.

Well, if one really wants to get technical, AC is alternating current. Pulsed DC without a common ground reference would indeed be considered a form of AC. Many modified sine wave inverters work on this exact principal.

[Inieas]

I have spun the reels on both the S Plus and S2000 machines on many occassions and never have i blown any components. This was with the power on. I do this when i clean reels optics and place a small piece of Cotton dabbed in non alcoholic cleanser on the inside of the reel to run through the optic.

[brichter]

AC is defined as current flow that periodically reverses. DC NEVER reverses, pulsed or not. When DC is pulsed, it will go from 0 to some value either negative or positive, and back to 0.

Well, if one really wants to get technical, AC is alternating current. Pulsed DC without a common ground reference would indeed be considered a form of AC. Many modified sine wave inverters work on this exact principal.

Show your waveform.