ADC AD-78 Clothes Dryer User Manual


 
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STEAM MODELS ...
1. Fault in lint chamber sensor bracket basket (tumbler) hi-limit.
U. Heating unit is not operating (no heat)...no voltage at heating unit (i.e., Gas Model - Hot
Surface Ignition [HSI] module, Electric Model - electric oven contactor, or Steam Model -
steam damper system pneumatic solenoid) when dryer is first started and both the heat
indicator dot and the "HEAT" output L.E.D. (light emitting diode) is not on...
1. Failed microprocessor controller (computer).
V. Heating unit is not operating (no heat)...no voltage at heating unit (i.e., Gas Model - Hot
Surface Ignition [HSI] module, Electric Model - electric oven contactor, or Steam Model -
steam damper system 3-way micro valve)...
GAS MODELS ...
1. Fault in hot surface ignition system ...
a. Hot surface ignitor glows but no ignition and HSI module "LOCKS-OUT" ("red" L.E.D. indicator
flashes) ...
1) Flame probe assembly is out of adjustment or has failed.
2) Severe air turbulence.
3) Failed HSI module.
4) Failed gas valve.
b. Hot surface ignitor glows, but burner goes off right away ...
1) Flame probe assembly is out of adjustment or has failed.
2) Sail switch is fluttering ...
a) Lint screen is dirty.
b) Restriction in exhaust duct work.
c. Hot surface ignitor does not glow and HSI module "LOCKS-OUT" ("red" L.E.D. indicator flashes) ...
1) Fault in hot surface ignitor wiring...break or loose connection.
2) Failed hot surface ignitor.
3) Failed HSI module.