


Replace credit coil if necessary.Ĭheck cancel coil for continuity. Credit light remains on.Ĭredit coil plunger binding in raised position.įree credit coil plunger.

Free binding coin switch.Ĭoin switch contacts closed by metallic foreign matter.Ĭontinuous free play. Coin switch not opening.Ĭheck for jammed coin. Check that credit unit edge connector is firmly seated.Ĭoins accepted credits not registered properly-credit unit fuse blows.Ĭoin hanging up on coin switch. Valid coins are accepted but credit lamp does not light.īroken wiper blade on credit unit wiper arm assembly. Check coil windings for continuity.Ĭheck that connector is firmly seated.

Adjust coin switches as necessary.Ĭheck credit coil plunger for binding due to dirt. Coins drop between switch levers.īe sure that slug rejector is firmly clamped in place. Incorrect alignment of slug rejector or coin switches. Valid coins pass through rejector into coin box but credit is not established.Ĭoin switch contacts dirty, bent, or broken.Īdjust coin switches. Refer to coin rejector service manual for adjustment procedure. Scavenger binding, rejector out of adjustment. Refer to coin rejector service manual for cleaning procedure. Coins remain jammed in rejector.ĭirt or foreign matter clogging coin passages in rejector. Valid coins fail to pass through slug rejector into cash box. You really do need the service manual, but this table was written to help me remember where the parts are and what I did. They are very nicely described, but I have problems identifying the parts they reference. I have trouble with the "Troubleshooting" pages. The service manual for the 1971 AMI/Rowe MM5 Presidential jukebox contains lots of useful information. Repair and refurbishment of a 1971 AMI/Rowe MM5 Presidential jukebox
