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PROBLEM POTENTIAL CAUSE DIAGNOSTIC PROCEDURE ACTION
Heater error (Gas) Check service mode for heater error.
If heater error is displayed,
proceed with diagnostic
procedures in the order below.
Low line voltage
Line voltage must be greater than 96V.
Software will not allow gas valves to
operate below 96VAC.
Inform owner of low line voltage.
No gas supply Check gas valve and pressure.
Open valve. Inform consumer of
no gas pressure.
Ignitor failure
With front panel removed and door switch
reconnected, start a cycle and check for
ignitor glow. If ignitor doesn’t glow, check
ignitor resistance at the ignitor connector
(100 - 500 Ohms).
Replace ignitor
Flame detector failure.
With front panel removed and door switch
reconnected, start a cycle and check that
ignitor turns on/off.
Replace flame detector.
ON/OFF gas valve failure
Check resistance of ON - OFF valves
(1800 - 1900) ohms.
Replace valve assembly.
Linear Gas Valve Failure
Check resistance of linear valve (60 - 70)
ohms.
Replace valve assembly.
Thermostat failed open
Check continuity of Outlet and Hi-Limit
thermostats.
Replace appropriate thermostat.
Centrifugal switch failure
Check centrifugal switch continuity in open
and closed state, according to the
terminals shown on the mini-manual.
Replace drum motor.
Thermistor failure
Check room-temperature resistance of
thermistor. Outlet thermistor resistance
range is 10K+-3% @ 25C, inlet thermistor
range is 2.27K +- 5%.
Replace thermistor.
Won’t Start -
controls dead
Low L1 voltage Check L1 voltage at outlet.
If zero (0), check circuit breaker
or fuses. If below 30V, the
controls will not operate. Tell
consumer to call electrician.
Tripped safety thermostat Check safety thermostat continuity Reset or replace if necessary.
Defective main control board Check service mode Replace control board
Defective inverter board Check service mode Replace inverter board
Broken Belt Remove front panel. Check belt. Replace belt.
Won’t start -
controls OK
Open winding on drum motor
Check resistance of start and run
windings. Should be approximately
7.2 Ohms for start winding and 3.1 Ohms
for run winding.
Replace drum motor
Door switch failure (door open)
Check if switch is connected. Check if
lamp works. Check if dryer runs with door
open.
Connect or replace door switch.
Centrifugal switch failure
Check centrifugal switch continuity in open
and closed state, according to the
terminals shown on the mini-manual.
Replace drum motor.
Long Dry Time
Dryer Not
Heating
continued