Fisher & Paykel DE09, Service Manual

Page: 42 / 51

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6 FAULT FINDING
6.1 Fault Finding
Fault Cause Repair
•
No operation.
•
No power to unit.
•
No power at terminal C on
timer.
•
Hi-limit thermostat open circuit
(electric only).
•
Start button not operating.
•
Idler switch open circuit.
•
Motor seized or open circuit.
•
Door switch open circuit.
•
Resupply power to the unit.
•
Replace timer.
•
Replace hi- limit thermostat &
check for possible overheating
issues (see overheating).
•
Replace selector switch
assembly.
•
Check belt condition & replace if
necessary.
Check idler arm or pulley &
replace if necessary.
Check idler switch operation and
replace if necessary.
•
Check motor spins freely and
check windings. Replace if
necessary.
•
Replace door switch.
•
No heat.
•
Selector set on No Heat/Fluff.
•
No power to terminal A on the
timer.
•
No motor operation.
•
No Power from Terminal 16
on the selector.
•
The safety, inlet, or drum
outlet thermostat failure.
•
The elements are open circuit
(electric model only).
•
No gas valve operation (gas
model only).
•
Open circuit motor switch.
•
Reset selector.
•
Replace the timer.
•
See No Operation section.
•
Replace the selector.
•
Check thermostats for continuity
and resistance of the resistors.
Replace if necessary.
•
Replace elements.
•
Check flame failure operation.
Check gas coil continuity.
Change gas valve assembly.
•
Replace the motor.