American Dryer AD-120ES Clothes Dryer User Manual


 
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K. Microprocessor controller (computer) will not accept any keyboard entries, i.e., L.E.D. display
reads "FILL" and when keyboard entries are selected, the L.E.D. display continues to read
"FILL" ...
1. Failed keyboard label (touchpad) assembly.
2. Failed microprocessor controller (computer).
L. Microprocessor controller will only accept certain keyboard entries ...
1. Failed keyboard label (touchpad) 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 one (1) minute, and reestablish power
to dryer. If problem is still evident ...
a. Failed microprocessor controller (computer).
b. Failed keyboard label (touchpad) 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.
2. Fault in burner hi-limit circuit or thermostat.
3. Fault in lint chamber sensor bracket hi-heat protector thermostat.
4. Failed Direct Spark Ignition (DSI) module.
5. Failed DSI ignitor / flame-probe assembly.
6. Failed microprocessor controller (computer).