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P. No heat (for GAS MODEL ONLY)...ignitor sparks, burner goes on and off right away...
1. Direct Spark Ignition (DSI) ignitor or flame-probe out of adjustment...reposition closer to the flame area.
2. Sail switch is fluttering ...
a.Lint screen dirty.
b.Restriction in exhaust duct work.
3. Insufficient make-up air.
4. Failed DSI ignitor or flame-probe assembly.
5. Failed DSI module (burner control).
6. Failed gas valve.
Q. No heat (for STEAM MODELS ONLY)...
1. Fault in lint chamber sensor bracket hi-heat (limit) protector thermostat.
2. Failed microprocessor controller (computer).
3. No (external) compressed air to steam damper (80 PSI required).
4. Failed steam damper 24 VAC pneumatic solenoid switch.
5. Failed steam damper piston.
6. Steam damper stuck closed.
7. Air flow control valve restricting incoming compressed air.
R. No heat (for ELECTRIC MODELS ONLY)...
1. Fault in sail switch circuit...
a.sail switch out of adjustment or faulty (failed).
b.sail switch is not closing or fluttering...
1) Check impellor (fan/blower) motor and rotation direction.
2) Restriction in the location exhaust system.
2. Failed oven hi-limit.
3. Failed lint compartment 225º safety thermostat.
4. Failed oven contactor (relay).
5. Failed microprocessor controller (computer).