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**Reel Slots** Gaming Machines => Aruze Reels Slots => Topic started by: markb7605 on July 19, 2021, 09:36:25 AM

Title: Communication #5 Error (NOK 1 PCB)
Post by: markb7605 on July 19, 2021, 09:36:25 AM

Dose anyone how to fix this error.

Title: Re: Communication #5 Error (NOK 1 PCB)
Post by: scottf11961 on February 16, 2023, 11:00:37 PM

What was the cause of this error? I have it now

Title: Re: Communication #5 Error (NOK 1 PCB)
Post by: Slotman on February 17, 2023, 05:21:04 AM

USB cable disconnected more than likely.  There should be 4 cables plugged in.  All USB ports should be populated.  Sometimes unplugging and swapping ports helps.
Also check the Batteries on the two boards behind the reels.

Title: Re: Communication #5 Error (NOK 1 PCB)
Post by: scottf11961 on February 17, 2023, 10:30:57 AM

All the batteries in the machine are new. All USB ports (on the front that I can see) are taken. 4 total are plugged in. I haven't tracked the other ends yet. One looks like it goes into the door. When I tried swapping then around, a ton of other errors popped up. REEL MOTION mostly. Now I can't get rid of them. Is there a way to clear the machine and start over?

Title: Re: Communication #5 Error (NOK 1 PCB)
Post by: scottf11961 on March 17, 2023, 03:17:38 PM

Have you solved the mystery? Ive had that communication error for a while now on my shinning 7s. To the point where ive given up. Behind the reels, there are 2 boards. On the right is a body board. On the left is the NOK board. Each board has its own USB cable. The error is coming from the left board. Thats as far as i got. Finding parts will not be fun

Title: Re: Communication #5 Error (NOK 1 PCB)
Post by: Iamwally on April 23, 2023, 05:46:04 PM

Just for everyone’s future reference in this particular machines case it turned out there were 2 bad reel driver boards which I actually think were causing the noki pcb error.  So my advice is if you can’t seem to solve the noki pcb error check to make sure your reels are operatiional.  2 of the reels never locked up when power was turned on.  You could still spin them freely by hand.  I thought the noki wasn’t talking to them but actually I believe the reel stepper driver was bad and was causing the noki error.  After replacing the 2 reels the machine plays like a champ!!

John

Title: Re: Communication #5 Error (NOK 1 PCB)
Post by: Slotman on April 24, 2023, 06:13:47 AM

Quote from: scottf11961 on March 17, 2023, 03:17:38 PM

Have you solved the mystery? Ive had that communication error for a while now on my shinning 7s. To the point where ive given up. Behind the reels, there are 2 boards. On the right is a body board. On the left is the NOK board. Each board has its own USB cable. The error is coming from the left board. Thats as far as i got. Finding parts will not be fun

I have shelves full of Aruze parts if you ever need any.