Fruit Machine Chat

Its ma mates machine will get to it friday nite. But after shorting battery and closing back door switching the machine on,i will hv to let the alarm sound off until the macine resets.

Firstly thanx for ur reply. is this ram battery always on the main board, had alook the other night but couldnt find it. Found a plugin circuit board at the bottom of the main board and shorted that one. Alarm kept going off once the machine was switched on, very loudly it was late at nite so had to...

please can anybody help jpm adders ladders late 80s begin 90s model. alarm keeps coming on when machine is switched on. CASH CASH is displayed not a number code. How do i reset it. THANX