Error code reference

GE Microwave Error Code PF

Power failure indicator

Power failure indicator — appears when the oven is first plugged in or when power to the oven has been interrupted and then resumed.

First step from the service manual

Touch CLEAR/OFF to erase the PF display.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
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PF on my GE Microwave

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Power failure indicator — appears when the oven

From Service Manual 766739, p.31:

1.Touch CLEAR/OFF to erase the PF display.

2.Measure line voltage at the power cord terminal block. Expected: 120 VAC (L1 to neutral) or 208 to 240 VAC between L1 and L2 under load.

3.Inspect the cord strain relief and terminal block screws for signs of arcing or heat discoloration. Loose connections here mimic an intermittent power failure to the control board.

Part WX09X70911

Power cord

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First step from the service manual

Get the full diagnostic procedure for PF.

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