The 50 volts were not reaching the handle switch solenoid. Faulty micro switch on the handle release assembly. It is usually the middle one of three in behind the hopper. Casinos did this with a key to reset the machine after a big jackpot. If a big jackpot has just been hit, it may be necessary to open the door and flick the coin switch once. Clean contact on the payout relay (the stack of switches at the back of the hopper). Put it back on so the coin will go down the right path. The rocker arm in the coin rejecter fell off. Bend the bracket that holds this switch toward the back of the machine.

The dashpot switch on the handle side of the reel mechanism is not closing. Now power will go to the coin lockout coil. The common wire is probably loose in the plug and needs to be re-attached. There are two Molex plugs on the door – this is the lower one. Follow the orange (common) wire going from the coin lockout coil to the white plastic Molex plug on the door. The coin lockout coil (behind the coin rejecter) is not being energized. Below lists a selection of the most common problems: There could be several reasons why the coins are not being accepted. All coins not accepted – they return to the pay cup.