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P. No heat...ignitor sparks, burner goes on and off right away...GAS MODELS ONLY...
1. Direct Spark Ignition (DSI) ignitor/flame-probe is out of adjustment...reposition closer to the flame area.
2. Sail switch is fluttering...
a. Lint drawer/screen is dirty.
b. Restriction in the exhaust ductwork.
3. Insufficient make-up air.
4. Failed DSI ignitor/flame-probe assembly.
5. Failed DSI module (burner control).
6. Failed gas valve.
Q. No heat...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 (5.51 bars) is required.
4. Failed steam damper 24 VAC pneumatic solenoid switch.
5. Failed steam damper piston.
6. Steam damper stuck closed.
7. Airflow control valve restricting incoming compressed air.
R. Dryer operates but is taking too long to dry...
1. Exhaust ductwork run too long or is undersized...back pressure must be no less than 0 and cannot exceed
0.3 inches (0.74 mb) water column (W.C.).
2. Restriction in the exhaust ductwork...
a. Exhaust back draft damper is sticking partially closed.
b. Restriction in the exhaust ductwork...check ductwork from dryer ALL the way to the outdoors.
3. Low and/or inconsistent gas pressure (for GAS MODELS ONLY).
4. Insufficient make-up air.
5. Poor air/gas mixture at burner...yellow or poor flame pattern. Adjust gas burner air adjustment shutters (for
GAS MODELS ONLY).