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**Video Poker, Keno, Slots, 21** Gaming machines => BALLY Game Maker => Topic started by: Nepa Coin Op on November 03, 2017, 06:55:01 PM

Title: EPROM memory failure
Post by: Nepa Coin Op on November 03, 2017, 06:55:01 PM

Did a batt change and a clear and now I get ..... "eprom memory failure"
What is that and how do I correct it ??
Thanks

Title: Re: EPROM memory failure
Post by: Badbaud on November 04, 2017, 12:11:25 PM

Make sure the battery voltage is getting to the two RAM chips just above M0 and M1.

Title: Re: EPROM memory failure
Post by: Nepa Coin Op on November 04, 2017, 12:50:53 PM

They both have juice ....

Title: Re: EPROM memory failure
Post by: Badbaud on November 04, 2017, 01:01:01 PM

After you cleared it did you get the setup screen?

Title: Re: EPROM memory failure
Post by: Nepa Coin Op on November 04, 2017, 02:11:25 PM

Yea after I go through all that it goes to the home screen then gives that error

Title: Re: EPROM memory failure
Post by: Badbaud on November 04, 2017, 02:27:04 PM

When I clear one on our tester I usually turn on DIP switches 6,7, and 8.
How are you clearing yours?

Title: Re: EPROM memory failure
Post by: Nepa Coin Op on November 04, 2017, 02:53:15 PM

7-8
Check out the other prob I have there's a thread I started about my touch probs
I'll try a 6/7/8 now

Title: Re: EPROM memory failure
Post by: Nepa Coin Op on November 04, 2017, 03:02:03 PM

Same error with a 6/7/8 reset

Title: Re: EPROM memory failure
Post by: Badbaud on November 04, 2017, 06:48:43 PM

The next step is to send the board to our shop so I can look at it with a scope and repair it.
Reply at klar.slotrepair@gmail.com