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American Dryer Corp. MDG-75 User Manual

Page 54

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T. Heating unit is not operating (no heat)...no voltage at heating unit (i.e., Gas Model - HSI module,

Electric Model - electric oven contactor when dryer is first started and both the heat indicator dot

and the "HEAT" output L.E.D. (light emitting diode) is on...

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 screen is dirty.

2) Restriction in the exhaust.

3) No exhaust air flow ...

a) Failed impellor (fan/blower).

b) Fault in blower (impellor and fan) motor circuit (for Reversing Models ONLY).

2. Failed burner hi-limit.

3. Failed lint chamber sensor bracket basket (tumbler) hi-limit switch.