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b. Sail switch damper
is not closing or is fluttering...
1) Lint screen is dirty.
2) Restriction in exhaust ductwork.
2. Fault in burner hi-limit circuit or tripped manual reset hi-limit.
3. Fault in lint chamber sensor bracket or tripped manual reset hi-heat protector thermostat.
4. Failed Direct Spark Ignition (DSI) module.
5. Failed DSI ignitor/flame-probe assembly.
6. Failed microprocessor controller (computer).
ELECTRIC MODELS ONLY
1. Fault in sail switch circuit...
a. Sail switch is out of adjustment or has failed.
b. Sail switch is not closing or fluttering...
1) Check blower (impellor/fan) motor and rotation direction.
2) Restriction in location exhaust system.
2. Failed oven hi-limit circuit.
3. Tripped lint compartment manual reset (225º F [107º C]) safety thermostat circuit.
4. Failed oven contactor/relay.
5. Failed heat selector switch.
STEAM MODELS ONLY
1. Fault in lint chamber sensor bracket or tripped manual reset hi-heat (limit) protector thermostat.
2. Failed microprocessor controller (computer).
3. No (external) compressed air to steam damper (80 PSI [5.51 bars] is required).
4. Failed steam damper 24 VAC pneumatic solenoid switch.
5. Failed piston.
6. Steam damper stuck closed.