The coin relay switch is on the lower left side of the reel mechanism at the back corner. In another case a loose screw could had fallen out of the top of the front door and rested in behind the coin relay switch. The most frequent place is in the two 63 bulb lights in the bottom of the front door which illuminate the pay cup. This could be a short in many different places. One of these wires may be loose and would need to be re-soldered.įuse blows as soon as machine is turned on. Also check the line cord is firmly attached where it enters the machine. Tighten up all of the fuse caps so they are making correct contact. One of the fuse caps behind the hopper is likely loose. Machine goes dead temporarily and then comes on again during play or during a payout.