American Dryer Corp. AD-75 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 - DSI
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 - DSI
module, Electric Model - electric oven contactor, or Steam Model - steam damper system 3-way
micro valve)...
GAS MODELS ...
1. Fault in Direct Spark Ignition system ...
a. Spark Probe sparks, but no ignition and DSI 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 DSI module.
4) Failed gas valve.
b. Spark Probe sparks, 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. Spark Probe does not spark and DSI module "LOCKS-OUT" ("red" L.E.D. indicator flashes)...
1) Fault in Spark Probe wiring...break or loose connection.
2) Failed Spark Probe Assembly.
3) Failed DSI module.