Error code reference

Frigidaire Range Error Code dO

Door open alarm during broil

Door open alarm during broil — the oven door has been left open during broiling and high temperatures have triggered the alarm.

First step from the service manual

Close the oven door within 30 seconds. If the broil element turned off, close the door, check if broil function resumes; if not, reset the function and broil with the oven door closed.

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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dO on my Frigidaire FCRE3052AS

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Door open alarm during broil — the oven door

From Service Manual 631226, p.38:

1.Close the oven door within 30 seconds. If the broil element turned off, close the door, check if broil function resumes; if not, reset the function and broil with the oven door closed.

2.Measure door lock assembly resistance across the PTC terminals. Expected: ~200 ohms cold, rising sharply once energized.

3.Inspect strike and latch alignment. A warped door or misaligned strike prevents the switch stack from closing in the correct sequence.

Part 5304517277

Door lock assembly

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First step from the service manual

Get the full diagnostic procedure for dO.

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