Section 3 -Troubleshooting; Motor Does Not Start - ALLIANCE AT050L Service Manual

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.
IMPORTANT: Refer to appropriate wiring diagram for aid in testing tumbler components.

1. MOTOR DOES NOT START

POSSIBLE CAUSE
Electrical power off or fuses blown.
Loading door not closed or inoperative door switch. • Close door, or test switch and replace if inoperative.
Lint door not closed or inoperative lint door switch. • Close lint door, confirm switch is positioned to actuate
Trunnion shaft assembly binding in
trunnion housing bearings.
Start circuit not completed.
Idler shaft binding in idler housing bearings.
Inoperative motor.
Non-Metered Models: Timer improperly set.
Non-Metered Models: Inoperative timer or relay.
Metered Models: Improper coins inserted in
accumulator.
Metered Models (CD models): Accumulator knob
improperly set after coins were inserted.
Metered Models (CD models): Inoperative run
switch (accumulator).
Broken, loose, or incorrect wiring.
70269301
Section 3
Troubleshooting
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
WARNING
TO CORRECT
• Check power and fuses. Replace fuses if necessary.
with door closed.
• Replace trunnion housing bearings.
• Press start switch, or test switch and replace if
inoperative.
• Replace bearings.
• Have motor tested and replace if inoperative.
• Turn drying timer clockwise to desired setting.
• Test timer and relay and replace if inoperative.
• Check that proper coins are inserted.
• Turn knob clockwise to its full limit of travel.
• Test run switch and replace if inoperative.
• Refer to wiring diagram located inside contactor box.
W002
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