Igniter Does Not Glow; Burner Ignites And Goes Out Repeatedly; Igniter Glows But Burner Does Not Ignite - Amana LG4219*2 Service Manual

a W A R N I N G
To reduce the risk of electric shock, fire, explosion, serious injury or death:
•Disconnect electric power to the dryer before servicing.
•Close gas shut-off valve to gas dryer before servicing.
•Never start the dryer 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.
66. HEATING ASSEMBLY DOES NOT HEAT OR BURNER DOES NOT IGNITE. (cont.)
POSSIBLE CAUSE
=Read-out on electronic control indicates " SH" .
=Read-out on electronic control indicates " OP" .
Broken, loose, or incorrect wiring.
Inoperative moisture sensing control.
67. IGNITER DOES NOT GLOW (gas supply sufficient) — GAS MODELS
POSSIBLE CAUSE
*No power to power leads on valve.
Flame sensor failed with contacts open.
Igniter broken or open.
=Inoperative electronic control.
Inoperative moisture sensing control.
68. BURNER IGNITES AND GOES OUT REPEATEDLY — GAS MODELS
POSSIBLE CAUSE
Improper or inadequate exhaust system. Weather
hood flapper restricted.
Burner heat not holding flame sensor contacts open.
Insufficient gas supply.
Cracked igniter.
Inoperative or intermittent gas valve coils.
69. IGNITER GLOWS BUT BURNER DOES NOT IGNITE — GAS MODELS
POSSIBLE CAUSE
Flame sensor failed in closed position.
Open secondary coil or holding coil.
Insufficient gas supply.
Igniter and bracket installed improperly on burner
tube assembly.
Flame sensor installed improperly on burner
housing.
*Mechanical Timer Models only
=Electronic Control Models only
TO CORRECT
Thermistor is shorted, replace thermistor.
Thermistor is open, replace thermistor.
Refer to appropriate wiring diagram.
Refer to SECTION VIII to check out the moisture
sensing control.
TO CORRECT
Check timer, selector switch, thermostats, motor
switch, and wiring.
Replace flame sensor.
Replace igniter.
Refer to SECTION VII to check out the electronic
control operation.
Refer to SECTION VIII to check out the moisture
sensing control.
TO CORRECT
See INSTALLATION INSTRUCTIONS (supplied with
dryer) for exhaust requirements.
Replace flame sensor, or correct gas supply problem.
Check gas supply and pressure. Is gas shut-off
valve turned on?
Replace igniter and bracket.
Check and replace appropriate coil. Refer to
paragraph 51.
TO CORRECT
Replace flame sensor.
Replace gas valve (in-warranty), or replace coils
(out-of-warranty). Refer to paragraph 51.
Check gas supply and pressure. Is gas shut-off valve
turned on?
Loosen screw and properly position igniter and
bracket on burner tube assembly.
Loosen screw and properly position the flame sensor
on the burner housing.
63
W001
RS3200001 (502992R3)
Rev. 3