American Dryer Corp. AD-120ES II Clothes Dryer User Manual


 
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f. Failed 24 VAC transformer.
K. Microprocessor controller (computer) will not accept any keyboard (touch pad) entries, i.e.,
light emitting diode (L.E.D.) display reads “FILL” and when keyboard (touch pad) entries are
selected, the L.E.D. display continues to read “FILL”...
1. Failed keyboard (touch pad) label assembly.
2. Failed microprocessor controller (computer).
L. Microprocessor controller (computer) will ONLY accept certain keyboard (touch pad) entries...
1. Failed keyboard (touch pad) label assembly.
2. Failed microprocessor controller (computer).
M. Microprocessor controller (computer) locks up and L.E.D. display reads erroneous message(s)
or ONLY partial segments...
1. Transient power voltage (spikes)...disconnect power to dryer, wait 1 minute, and reestablish power to dryer.
If problem is still evident...
a. Failed microprocessor controller (computer).
b. Failed keyboard (touch pad) label assembly.
N. Dryer stops during a cycle and L.E.D. display returns to “FILL”...
1. Fault in microprocessor heat sensor circuit...
a. Loose connection in wires between temperature sensor and microprocessor controller (computer).
2. Loose connection somewhere in main power circuit to microprocessor controller (computer).
O. Gas heating unit is not operating (no heat)...no spark at burner area when dryer is first started,
and heat indicator dot is on...
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 exhaust ductwork.
2. Fault in burner hi-limit circuit or thermostat.
3. Fault in lint chamber sensor bracket hi-heat (limit) protector thermostat.
4. Failed Direct Spark Ignition (DSI) module.