GE · Oven Serious

F90 — Lock Motor Not De-Energizing

The control commanded the door lock motor off, but feedback shows it is still being driven. Indicates a relay or wiring fault.

Keep using it?
Limited use only
DIY difficulty
Hard
Verified against
geappliances.com ↗

How to fix it

  1. Cut power at the breaker immediately to stop the lock motor.
  2. Allow the latch to cool, then access the lock assembly.
  3. Inspect for melted wiring; repair or replace harness.
  4. If wiring is good, replace the control board (stuck relay).
  5. Replace the lock assembly if the motor itself is seized or shorted.

Why it happens

Typical signs: Door lock motor runs continuously · F90 with beeping · Door stays locked · Smell of hot motor

  • Stuck lock relay on control board Relay contacts welded; motor stays powered.
  • Shorted wiring to lock motor Harness short bypasses the relay.
  • Failed lock motor that draws excess current Triggers control board fault.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • GE oven control board Common replacement
    Amazon →
  • GE oven door lock assembly Common replacement
    Amazon →

More GE oven codes

F0 Range/Oven F0 — Keypanel Problem F1 F1 — Keypanel (Touchpad) Problem F2 F2 — Oven Over-Temperature F3 F3 / F4 — Oven Sensor Needs Replacement F30 F30 — Oven Temperature Sensor Circuit Open F31 F31 — Oven Temperature Sensor (RTD) Open

All GE codes → All oven codes →

Frequently asked questions

What does the F90 code mean on a GE oven?

The control commanded the door lock motor off, but feedback shows it is still being driven. Indicates a relay or wiring fault.

What causes the F90 code on a GE oven?

Stuck lock relay on control board: Relay contacts welded; motor stays powered. Shorted wiring to lock motor: Harness short bypasses the relay. Failed lock motor that draws excess current: Triggers control board fault.

Is it safe to keep using a GE oven with a F90 error?

Limited use only. This is rated a serious-severity fault.

How do I fix F90 on a GE oven?

Cut power at the breaker immediately to stop the lock motor. Allow the latch to cool, then access the lock assembly. Inspect for melted wiring; repair or replace harness.

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: geappliances.com.