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Frigidaire Oven / Range F91 error code

Oven / Range

Frigidaire oven / range error code F91 means: Door lock circuit fault. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve F91.

Safe to keep using?

Safe for limited use

No immediate safety hazard detected, but monitor during use.

  • Monitor the appliance during use and stop if symptoms worsen.

5 product recalls may apply

Brand-level matches — verify your model.

Show
  • Electrolux Group Recalls Frigidaire Gas Ranges Due to Burn Hazard

    Mar 2026 · Confirm your model

    Notice
  • Electrolux Group Reannounces Recall of Frigidaire and Kenmore Electric Ranges Due to Fire and Burn Hazards; Multiple Fires and Injuries Reported

    May 2024 · Confirm your model

    Notice
  • Electrolux Group Recalls Frigidaire Rear-Controlled Ranges Due to Electric Shock and Electrocution Hazards

    Feb 2024 · Confirm your model

    Notice
  • Electrolux Group Recalls Frigidaire Gas Cooktops Due to Risk of Gas Leak, Fire Hazard

    Aug 2023 · Confirm your model

    Notice
  • Frigidaire and Kenmore Wall Ovens Recalled by Electrolux Due to Fire Hazard (Recall Alert)

    Jul 2016 · Confirm your model

    Notice
DIY Difficulty
1 /10EASY

This is a straightforward homeowner task with basic tools and low risk.

Time: 15–30 minutes
Risk: Low
Skill: Beginner
Tools: Screwdriver, Adjustable pliers, Flashlight

Likely causes

Most likelyUser-serviceable issue

Many codes resolve with cleaning, resetting, or reconnecting.

Check: Power-cycle the appliance and check for obvious blockages or loose connections.

Est. cost: $0–$0

PossibleFailed component

Wear or electrical failure of an internal part.

Check: If basic checks fail, the faulty component likely needs replacement.

Est. cost: $0–$100

Repair or Replace?

DIY repair

$35–$65

Professional repair

$223–$302

Comparable replacement

$723–$977

Our recommendation

REPAIR LIKELY MAKES SENSE

REPAIR LIKELY MAKES SENSE. Professional repair ($223–$302) is well below replacement cost.

Actual repair and replacement costs vary by model, location, labor rate, and condition.

What it means

Door lock circuit fault.

How to fix it

  1. Unplug the oven / range or turn off power at the breaker before inspecting any components.
  2. Reset Frigidaire F91: leave power off for 5 minutes, restore power, then restart. Confirm whether F91 returns.
  3. Check the most common cause for F91: Door lock circuit fault.
  4. Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
  5. If a reset and basic checks don't clear the code, use our lookup tool for AI-powered diagnosis or contact a qualified technician.
  6. Reassemble, restore power, and run a test cycle. If F91 returns, the faulty component likely needs replacement.

Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.

FAQ

What does F91 error code mean on a Frigidaire oven / range?

Door lock circuit fault.

What does Frigidaire F91 mean?

Door lock circuit fault.

How do I reset Frigidaire oven / range F91?

Unplug the oven / range or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored F91 after a glitch, but the code will return if the underlying fault is still present.

What part do I need for Frigidaire F91?

Not always — some F91 errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.

Can I fix Frigidaire error F91 myself?

Many F91 errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.

Do I need a replacement part for F91?

Not always — some F91 errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.

Other Frigidaire Oven / Range codes

Prevent this problem next time

  • Follow manufacturer maintenance schedule
  • Address small issues before they worsen

Sources

Manufacturer meaning

Door lock circuit fault.

FixApplianceCode guidance

Start with basic checks for Frigidaire F91 before ordering parts.

Source type: Part database

Source: ModelPartFinder + FixApplianceCode editorial

Last reviewed: 2026-08-24

Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer

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