Primus D55, Service Manual, Page: 11 / 82

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To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
Section 3
Troubleshooting
IMPORTANT: Refer to appropriate wiring diagram for aid in testing tumbler components.
1. MOTOR DOES NOT START
POSSIBLE CAUSE TO CORRECT
Electrical power off, circuit breaker tripped or
blown control fuse. • Check service to tumbler.
• Check primary and secondary fuses.
Inoperative transformer. • Replace transformer.
Loading door not closed or inoperative door switch. • Close door or test switch and replace if inoperative.
Lint panel switch not closing. • Test lint panel switch, replace if inoperative.
Trunnion bearings binding. • Replace trunnion bearings.
Start circuit not completed. • Press start switch or test switch and replace if inoperative.
Idler bearings binding. • Replace bearings.
Inoperative motor. • Have motor tested and replace if inoperative.
Inoperative relay. • Replace relay.
Timer improperly set. • Turn drying timer clockwise to desired setting.
Inoperative timer. • Test timer and replace if inoperative.
Broken, loose or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.