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GAS MODELS
1. Fault in sail switch circuit ...
a. Sail switch is out of adjustment or has failed.
b. Sail switch damper is not closing or is fluttering ...
1) Lint drawer screen is dirty.
2) Restriction in exhaust ductwork.
3) No exhaust airflow ...
a) Failed impellor (fan/blower).
b) Fault in impellor (fan) motor circuit.
2. Tripped burner manual reset hi-limit switch.
3. Tripped lint chamber sensor bracket basket (tumbler) manual reset hi-limit switch or circuit.
4. Tripped temperature selection switch or circuit.
5. Failed temperature cycle thermostat (try another selection).
6. Failed heat timer.
F. No heat ... voltage is confirmed at heating unit (i.e., gas models - Direct Spark Ignition [DSI]
module)...
GAS MODELS
1. Fault in DSI ignition system ...
a. Ignitor sparks but no ignition and DSI module locks out (“red” light emitting diode [L.E.D.] indicator light
stays on) ...
1) Ignitor probe assembly is out of adjustment or has failed.
2) Severe air turbulence.
3) Failed DSI module.
4) Failed gas valve.
b. Ignitor sparks, burner lights but goes off right away ...
1) DSI ignitor out of adjustment ... or has failed.
2) Sail switch is fluttering ...