Maytag MDG-30 - Manual (Page 43)

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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 entries, i.e., L.E.D. (light
emitting diode) display reads "FILL" and when keyboard entries are selected, the L.E.D.
display continues to read "FILL"
1. Failed keyboard label (touch pad) assembly.
2. Failed microprocessor controller (computer).
J. Microprocessor controller will only accept certain keyboard entries
1. Failed keyboard label (touch pad) assembly.
2. Failed microprocessor controller (computer).
K. Microprocessor controller (computer) locks up and L.E.D. (light emitting diode) display reads
erroneous messages 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 (touch pad) assembly.
L. Dryer stops during a cycle and L.E.D. (light emitting diode) 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
1. DSI (Direct Spark Ignition) ignitor and flame-probe out of adjustment, reposition closer to the flame area.
2. Sail switch is fluttering.