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I have an old Sigma (MIKOHN)  model SG-50 3 reel slot machine that i have had for a long time. And i iam thinking about working on it. It would be nice to review over a manual beforehand to get an idea of how it ticks. A note attached to machine says 'hopper tilt error' and 'hopper on power up tries to payout but only pays about 10 coins and then displays hopper error tilt'. Dont know if this is a note i left myself or if it has always been on the machine. I have had it a long time and have never given it the time of day but have decided to work on it and get rid of it and would like to do so as a working machine. So the manual would be nice if anyone can help me out. I definitely would appreciate it.
icu44444

Hello icu44444, I have this manual, but not in the PDF format.
Once you've started to work on it, if it gives you any error codes
let me know and, I'll look them up for you. I also have one of these machines
that I went through. It had a plethora of problems, but I snuffed them out
one by one, and the machine works flawlessly now.

is there anything on setup configuration
and what does it have related to clear codes seguence or chips. i am getting hopper related tilt codes. empty and timeout tilts. is there a master clear.

there's no set or clear chip's for this model. To clear errors in memory, use the reset key
on switch number one. I'm sure you already know where it is, but just in case. It's
the switch closest to the middle of the cabinet (out of the three switches) on the right hand side of
the machine. I also sent you an email with an attachment enclosed. It's for the self test
and setup for the SG-50. Again I hope this helps.

Jeff

thanks
i will give that a shot and let you know
kevin

Just a suggestion... Pull the hopper out and play the game and see if it works fine. Make sure you have it set that wins go to credit.