Service manual

53273 13
Section 3 Troubleshooting
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the dryer(s) before servicing.
• Close gas shut-off valve to gas dryer(s) before servicing.
• Never start the dryer(s) with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the dryer is properly grounded.
W001R1
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
9. HEATING ELEMENT OR BURNER SHUTS OFF PREMATURELY
10. HEATING ELEMENT OR BURNER REPEATEDLY CYCLES OFF ON LIMIT THERMOSTAT
POSSIBLE CAUSE TO CORRECT
Improper or inadequate exhaust system. • See Installation Instructions (supplied with dryer) for
exhaust requirements.
Gas Models: Insufficient gas supply. • Open partially closed gas shut-off valve, or correct low
pressure.
Gas Models: Dryer not properly equipped for type
of gas used.
• Refer to “Gas Burner Conversion Procedures” in this
manual to convert burner.
Gas Models: Improperly adjusted burner flame. • Adjust flame.
Cycling off on limit thermostat. • Momentarily connect a jumper wire across thermostat
terminals. If heating element heats or burner ignites when
jumper wire is connected. Refer to Paragraph 10.
Gas models: Sensor contact opening prematurely.
Burner flame improperly adjusted.
• Replace sensor. Adjust burner flame.
Inoperative high, low or low limit thermostat. • Test thermostat and replace if inoperative.
Inoperative timer. • Test timer and replace if inoperative.
Broken, loose, or incorrect wiring. • Refer to appropriate wiring diagram.
POSSIBLE CAUSE TO CORRECT
External exhaust system longer or providing greater
restriction than recommended.
• Refer to Installation Instructions (supplied with dryer)
for exhaust system requirements.
Clogged lint filter. • Remove and clean lint filter.
Lint in internal dryer ductwork. • Disassemble dryer and clean ductwork.
Lint in external exhaust system. • Disassemble and clean exhaust system.
Hinged damper on exhaust system weather hood
not free to open.
• Free hinged damper or replace weather hood
Limit thermostat cycling at too low a temperature. • Replace thermostat.
Air leak around loading door. (Door not sealing
properly against outer door seal due to damaged
seal or inoperative catch.)
• Replace seal or catch.
Air leak at front or rear cylinder seal. • Check and replace seal if necessary.