Service manual

12 53273
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
6. IGNITER DOES NOT GLOW (Gas Supply Sufficient) GAS MODELS
7. BURNER IGNITES AND GOES OUT REPEATEDLY GAS MODELS
8. IGNITER GLOWS BUT BURNER DOES NOT IGNITE GAS MODELS
POSSIBLE CAUSE TO CORRECT
No power to power leads on valve. Check for electrical circuit. Refer to To Test Electrical
Circuit to Ignition System” on page 27.
Sensor failed with contacts open. Replace sensor.
Igniter broken or open. Replace igniter.
Gas Valve - Open booster or holding coils. Replace gas valve (in-warranty).
Replace coils (out-of-warranty).
POSSIBLE CAUSE TO CORRECT
Burner heat not holding sensor contacts open. Replace sensor.
Insufficient gas supply. Check gas supply and pressure.
POSSIBLE CAUSE TO CORRECT
Sensor failed in closed position. Replace sensor.
Open secondary coil or holding coil. Replace gas valve (in-warranty)
Replace coils (out-of-warranty).
No or insufficient gas supply. Check gas supply and pressure.