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Section 3 Troubleshooting
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
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
11. TUMBLER OVERHEATING
12. BURNERS NOT BURNING PROPERLY — GAS MODELS
13. LOADING DOOR OPENS DURING OPERATION
POSSIBLE CAUSE
TO CORRECT
Gas Models:
Incorrect main burner orifices.
• Replace orifices. Refer to the Installation Manual for
burner orifice requirements.
Gas Models:
Gas pressure too high.
• Gas pressure must be as specified on serial plate.
Inadequate make-up air.
• Refer to Installation Manual for make-up air
requirements.
Lint accumulation.
• Remove lint.
Restricted or inadequate exhaust system.
• Remove obstruction or lint build-up from exhaust
ductwork. Refer to the Installation Manual for exhaust
system requirements.
Inoperative thermistor.
• Test thermistor by removing harness from thermistor
terminals. Check resistance across terminals, should read
approximately 50,000 Ohms at 77°F. Resistance should
decrease with a temperature increase. Replace thermistor
if inoperative.
Inoperative cabinet limit or burner limit thermostat. • Check thermostats with Ohm meter and replace if open.
POSSIBLE CAUSE
TO CORRECT
Burner air shutters incorrectly adjusted.
• Refer to Adjustment Section for proper flame adjustment.
Dirt in burners.
• Disassemble burners and blow out the dirt.
Gas pressure too high or too low.
• Check serial plate on back of the tumbler for correct gas
pressure.
Incorrect orifices.
• Tumbler is equipped for type of gas specified on serial
plate at 0-2,000 feet altitude. Refer to Installation
Manual.
Make-up air inadequate or pressured.
• Refer to Installation Manual for proper make-up air
requirements.
Restricted or blocked exhaust duct.
• Disassemble and clean exhaust system.
POSSIBLE CAUSE
TO CORRECT
Door strike improperly adjusted.
• Refer to Adjustment Section for door strike adjustment.
Tumbler improperly leveled.
• Refer to Adjustment Section for leveling leg adjustment.