ALLIANCE AE7133 Service Manual Page 13

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  • TROUBLESHOOTING
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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 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 timer, selector switch, thermostats, motor switch
and wiring.
Sensor failed with contacts open. Replace sensor.
Igniter broken or open. Replace igniter.
Inoperative electronic control. Refer to Section 8 to check out the electronic control
operation.
POSSIBLE CAUSE TO CORRECT
Improper or inadequate exhaust system. Weather
hood flapper restricted.
Refer to Installation Instructions (supplied with dryer)
for electrical requirements.
Burner heat not holding sensor contacts open. Replace sensor, or correct gas supply problem.
Insufficient gas supply. Check gas supply and pressure. Is gas shut-off valve
turned on?
Cracked igniter. Replace igniter and bracket.
Inoperative or intermittent gas valve coils. Check and replace appropriate coil. Refer to
Paragraph 39.
POSSIBLE CAUSE TO CORRECT
Sensor failed in closed position. Replace sensor.
Open secondary coil or holding and booster coil. Replace gas valve (in-warranty), or replace coils (out-of-
warranty). Refer to parts manual for part numbers of coils.
Insufficient gas supply. Check gas supply and pressure. Is gas shut-off valve
turned on?
Igniter and bracket installed improperly on burner
tube assembly.
Loosen screw and properly position igniter and bracket on
burner tube assembly.
Sensor installed improperly on burner housing. Loosen screw and properly position the sensor on the
burner housing.
*Mechanical Timer Models Only
Electronic Control Models Only
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