GE Oven Error F9: Door Lock Issue

Human Verdict

I often see the F9 code after a self-cleaning cycle. The oven gets extremely hot, and the safety lock engages. If the sensor doesn’t see the door unlock after it cools down, it throws F9. Before tearing anything apart, wait at least one hour for the oven to cool completely. Then, try clearing the code by holding the Clear/Off button for 5-10 seconds. If that fails, flip the breaker off for 5 minutes to reset the computer.

What It Means

The F9 code stands for Lock Circuit Failure. The control board is trying to move the door lock motor but isn’t receiving the correct signal back from the switches that tell it whether the door is locked or unlocked.

Common Causes

1. Stuck Lock Mechanism: The grease in the lock assembly can dry out, causing it to seize.
2. Bad Lock Motor: The small motor that drives the latch can burn out.
3. Wiring Issues: Loose connections between the lock assembly and the main control board.
4. Door Switch Misalignment: If the door doesn’t close tight, the lock won’t engage properly.

Step-by-Step Fix

1. Reset: Flip breaker off for 5 mins.
2. Check Latch: Open door (if possible) and manually wiggle the latch hook.
3. Inspect Wiring: Remove the rear panel and check the harness going to the lock assembly.
4. Replace Motor: If it grinds, but doesn’t move, the gears are stripped.

Parts You Might Need

• GE Oven Door Lock Motor Assembly
• GE Oven Door Switch