12
M413487
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
6. BURNER IGNITES AND GOES OUT REPEATEDLY - GAS MODELS
7. BURNER SHUTS-OFF PREMATURELY - GAS MODELS
POSSIBLE CAUSE
TO CORRECT
Insufficient gas pressure.
• Check gas supply and pressure. A low flame will not
maintain sensor conductivity.
Burner ports plugged.
• Check burner tubes for build-up.
Improper or inadequate exhaust system or make-up
air
• Refer to Installation Manual (supplied with tumbler) for
exhaust and make-up air requirements.
Inoperative high limit or cabinet limit thermostat.
• Test thermostat and replace if inoperative.
Improper orifices.
• Tumbler is equiped for type of gas specified on serial
plate. If orifices are different from that specified on serial
plate, obtain and install proper orifices.
POSSIBLE CAUSE
TO CORRECT
Improper or inadequate exhaust and/or make-up air
system.
• Refer to Installation Manual (supplied with tumbler) for
exhaust and make-up air requirements.
Insufficient gas supply.
• Open partially closed gas shut-off valve, or correct low
pressure.
Tumbler not properly equipped for type of gas used. • Tumbler is equipped for type of gas specified on serial
plate. If orifices are different from that specified on serial
plate, obtain and install proper orifices.
Improperly adjusted burner flame.
• Refer to Adjustment Section in this manual for burner
flame adjustment.
Cycling off on high limit thermostat.
• Refer to Paragraph 8.
Broken, loose or incorrect wiring.
• Refer to wiring diagram located on back of tumbler or in
literature packet.
Improper fan rotation.
• May be due to improper wiring resulting in low air flow.
Refer to Installation Manual.
