a.Failed microprocessor temperature sensor.

b.Failed microprocessor controller (computer).

c.Broken wire or connection somewhere between the microprocessor controller (computer) and the microprocessor temperature sensor.

H.Microprocessor controller (computer) display reads “door”...

1.Fault (open circuit) in door switch circuit...

a.Failed main door switch.

b.Broken connection or wire in main door circuit.

2.Failed 24 VAC transformer.

I.Microprocessor controller (computer) will not accept any keyboard (touch pad) entries, i.e. light emitting diode (L.E.D.) display reads “FILL” and when the 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).

J.Microprocessor controller (computer) will only accept certain keyboard (touch pad) entries...

1.Failed keyboard (touch pad) label assembly.

2.Failed microprocessor controller (computer).

K.Microprocessor controller (computer) locks up and L.E.D. display reads erroneous message or only partial segments...

1.Transient power voltage (spikes), disconnect power to dryer, wait 1 minute, and reestablish power to dryer. If the problem is still evident...

a.Failed microprocessor controller (computer).

b.Failed keyboard (touch pad) label assembly.

L.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).

M.No heat, ignitor sparks, burner goes on and off right away...

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American Dryer Corp MDG-30 installation manual Microprocessor controller computer display reads door