SW EP1 will not enter service mode

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dragster73
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SW EP1 will not enter service mode

Post by dragster73 » Fri Mar 08, 2019 5:05 pm

I have a SW EP1 running version 2.0 The game plays but there is a switch issue on the playfield. When I push the service button on the coin door the screen goes to the Nucore screen and a loading bar is moving on the screen. At a point the bar freezes and shortly after the game reboots to the game over mode. I had read of other people with this problem at the link I will provide below. The link indicates there was a corrupted file but doesn't indicate how to resolve this problem. PLease advise.

https://pinside.com/pinball/forum/topic ... iagnostics

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Chuck
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Re: SW EP1 will not enter service mode

Post by Chuck » Fri Mar 08, 2019 6:42 pm

The slam tilt switch may be triggering. If not it could be a switch matrix issue on the driver board. Make sure the slam tilt is not too sensitive.

dragster73
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Re: SW EP1 will not enter service mode

Post by dragster73 » Sat Mar 09, 2019 11:47 am

It's definitely not the SLAM switch however there are switch issue with the game and that's why I'm trying to get into the service menu to see where the problem is.

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Chuck
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Re: SW EP1 will not enter service mode

Post by Chuck » Sat Mar 09, 2019 12:08 pm

Then it is most likely a switch matrix issue on the driver board. If you're not able to diagnose and repair the issue I would suggest finding someone who can fix it for you.

dragster73
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Re: SW EP1 will not enter service mode

Post by dragster73 » Sat Mar 09, 2019 12:18 pm

I am a repair person, Self employed for 20 years running my own repair shop with a very good reputation. I've been in the business 30 years. I've never had a system where you can't get into the service menu to diagnose where all of the switch problems are. I will figure out the problem without the use of the service menu. Thank you for your help.

dragster73
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Re: SW EP1 will not enter service mode

Post by dragster73 » Mon Mar 18, 2019 1:17 pm

I repaired the original computer (Bad Ram) I then set a makeshift CGA monitor next to the game so I could use the original computer to fix the switch problem. The problem was one broken wire in the first switch in a ROW that was causing several switches not to work. Everything in the game is functioning properly with the original computer.

I have now installed the NUCORE computer back in the machine and the problem with the NUCORE system remains. The game boots and plays normally however I am still not able to get the NUCORE system to boot into service mode. As I said previously, The system starts to boot into the service mode and after a moment the computer locks up and the reverts back to game mode. This is not a switch matrix problem, It is a NUCORE problem.

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