Frigidaire Oven Error F91

⚡ Quick Answer: The Frigidaire Oven F91 error indicates a door lock malfunction, often resulting in the oven door failing to lock or unlock properly. Symptoms include... ✅ DIY Fixable

What Does Error F91 Mean?

The Frigidaire Oven F91 error indicates a door lock malfunction, often resulting in the oven door failing to lock or unlock properly. Symptoms include the F91 code on the control panel, continuous beeping, and a blinking door lock indicator. This error may be caused by a faulty door lock motor, defective door lock switch, or wiring issues between the lock assembly and control board. Regular diagnostics can help identify the specific malfunction and ensure safe operation of your oven.

Common Symptoms:

  • F91 displayed on control panel when attempting to use oven or during self‑clean cycle
  • Oven door fails to lock or unlock properly
  • Oven may remain locked or show continuous beeping until reset
  • Door lock indicator light may blink

Possible Causes

  • Faulty oven door lock motor or mechanism (high)
  • Defective door lock switch or latch misalignment (medium)
  • Wiring issue between lock assembly and control board (medium)

How to Fix Error F91

DIY Fix Reset oven and check door closure

  1. Ensure the oven door is fully closed and the latch engages firmly.
  2. Turn off power to oven at the breaker or unplug it for at least 30 seconds to attempt a reset.
  3. Restore power and observe if the code clears and door lock indicator behaves normally.

Technician Only Inspect and service door lock assembly

  1. Disconnect oven from power.
  2. Remove access panels to access the door lock motor and switch assembly.
  3. Visually inspect the door lock motor, latch mechanism, and switches for wear, binding, or damage.
  4. Test continuity of lock switches and motor with a multimeter; replace faulty components.
  5. Check wiring continuity between lock assembly and electronic control board; repair any damaged wiring.

Parts needed: Door lock motor and latch assembly, Door lock switch, Wiring harness between door lock and control board

🛑 When to Call a Pro:
  • If the error persists after power reset and basic door closure checks.
  • If you cannot safely access or test the door lock components.
  • If wiring damage appears significant or multiple components fail continuity tests.

Technical Specifications

wattage
component Temperature Sensor
resistance 1,000 to 1,200 ohms
part_number 316217002
voltage_rating 120V AC

Common Questions

What does F91 error mean on Frigidaire Oven?

F91 indicates a door lock malfunction, affecting the oven's ability to lock or unlock.

Can I fix Frigidaire Oven F91 error myself?

Yes, you can reset the oven and check if the door closes properly.

How much does it cost to fix F91 error?

Estimated repair costs range from $80 to $250+, depending on parts and labor.

When should I call a technician for F91?

Call a technician if the error persists after a reset or if you can't safely access the components.

Sources & References

Data last verified: 2026-02-19

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