What This Error Means
F9 on a GE oven means door lock circuit failure.
The control board thinks the door lock isn’t moving or the lock switch signal is bad, so it shuts the oven down (often right after or during Self Clean).
Official Fix
Here’s the manufacturer-approved path, step by step:
- Kill the power first.
Flip the range/oven breaker off or unplug it. Leave it off for at least 60 seconds to reset the control. - Power back on and watch.
Turn the breaker back on. If F9 is gone and a normal Bake at 350°F runs fine, it was just a control glitch. - Check the door and latch.
- Door must close fully and evenly.
- Look at the latch hook at the top/front. If it’s bent, loose, or packed with gunk, clean it and straighten it if you can.
- Wipe around the latch area once the oven is cool. No food, foil, or carbon buildup jamming it.
- Test without Self Clean.
Run a regular bake. If F9 only shows when you try Self Clean, the lock motor or lock switch is weak but not totally dead. - If F9 comes back immediately:
This is where the manual basically says: inspect and replace parts.- Shut power off again.
- Pull the oven out of the cabinet a bit (get a helper; it’s heavy).
- Remove the top or rear panel to access the door lock motor/latch assembly.
- Visually check the wiring harness to the lock: no burnt spots, no broken or loose connectors.
- On a meter, the lock motor and lock switches should show proper continuity. If they’re open/erratic, replace the latch/lock assembly.
- If the lock assembly tests good but F9 keeps returning, the official call is: replace the electronic oven control (clock/control board).
- When to stop DIY:
If you’re not comfortable pulling the oven, removing panels, or using a multimeter, this is exactly where GE tells you to call a service tech.
Bottom line: official fix is reset power, clear obstructions, then replace the door lock assembly or control board as needed.
The Technician’s Trick
What techs actually do in the field before throwing parts at an F9:
- Free a stuck locked door (no parts yet).
- Kill power at the breaker.
- Carefully pull the oven out a few inches so you can get to the top or back. Watch the flooring and get a helper.
- Remove the top/rear cover. Find the metal lock arm connected to the latch.
- By hand or with pliers, slide that arm toward the unlock direction until the door pops open. No power on while you do this.
- Work the latch by hand.
With the door open and power still off, grab the latch hook at the front and move it in and out a bunch of times. If it’s gritty or sticky, that’s your F9. Clean it and the strike plate, then hit it with a tiny amount of high-temp lubricant. - Reseat the connectors.
At the lock motor and lock switches, unplug and replug each connector once. Corroded or half-seated plugs will make the board think the lock is bad. - Quick reality check.
- Restore power with the oven still out.
- Try a normal bake first. If it heats and no F9, good sign.
- Optional: start Self Clean, wait for the lock to engage, then cancel after 1–2 minutes. You just cycled the lock without full self-clean abuse.
- Know when the party’s over.
If the lock motor just buzzes, doesn’t move, or F9 flashes again as soon as it tries to lock, that motor or the board is done. Cleaning won’t save it.
That little routine often saves a lock assembly on ovens that only started screaming F9 right after one brutal self-clean cycle.
Is It Worth Fixing? (The Financial Verdict)
- ✅ Fix: Oven under ~10–12 years old, only symptom is F9, and a door lock assembly or control board quote comes in under about a third of a new oven price.
- ⚠️ Debatable: Oven 12–15 years old, F9 plus the odd extra quirk (slow preheat, dim display), and parts+labor are pushing 40–50% of replacement cost.
- ❌ Replace: Oven over 15 years old, F9 plus other failures (burners, elements, dead display), or control board alone is $300+ and hard to source.
Parts You Might Need
- GE oven door lock / latch motor assembly – the usual F9 culprit
Find door lock / latch motor assembly on Amazon - Door lock switch or switch harness (models where the switch is separate from the latch)
Find door lock switch on Amazon - Electronic oven control board (ERC / clock)
Find oven control board on Amazon - High-temp lubricant for oven latches
Find high-temp latch lubricant on Amazon - Thermal fuse / high-limit thermostat (if self-clean overheated and blew it along with triggering F9)
Find thermal fuse on Amazon
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See also
Chasing other error codes around the house? These guides might save you another service call: