Fruit Machine Chat

I have a just bought a barcrest hyper viper machine which wasnt working, i have managed to get the machine to power up but i have an alarm "alarm 17-38 pnd opto blocked tamper" i have checked the door switches,fuses,connections and everything seems fine. Has anyone got any ideas what i cou...

All sorted now. Replaced the battery and found the coin mechanism not sat right in the cabinet.
Thanks Dave

HI, I have a jpm viva rock vegas fruit machine. Everything lights up but on the screen it just says viva rock vegas and will not allow me to do anything else. The status light on the main board is flashing but there is no error codes or alarms showing. Could you please give me some advice on what to...