Frigidaire FFEF3016VS 30 in 5.3 cu ft Electric Range with True Convection and Smudge-Proof Stainless Steel F91 Error Fix: Door Lock Cannot Unlock

Error code F91 on the Frigidaire FFEF3016VS 30 in 5.3 cu ft Electric Range with True Convection and Smudge-Proof Stainless Steel means: Door Lock Cannot Unlock. The oven door lock mechanism failed to reach the fully unlocked position, typically after a self-clean cycle. The oven cavity temperature must be below 550°F before unlock is attempted. If temperature is low enough and door will not unlock, check the lock motor and mechanism for binding. Power cycling sometimes resolves the issue. The lock assembly may need manual release and replacement.

The most successful fix is "Replace Door Lock Assembly to Fix Unlock Failure" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Door Lock Assembly to Fix Unlock Failure") is rated medium difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Multimeter.

DIY cost: $15-$25. Professional repair typically costs $140-$210. Many homeowners save money by trying the top-ranked community fix first.

The Frigidaire FFEF3016VS 30 in 5.3 cu ft Electric Range with True Convection and Smudge-Proof Stainless Steel has 8 other known error codes, including: F10 (Runaway Temperature — Oven Overheating), F11 (Shorted Touchpad Key Detected), F13 (Internal Clock Failure), F14 (Control Board EEPROM Failure), F30 (Open Oven Temperature Sensor (RTD)), and 3 more.

Error code F91 also appears on 14 other Frigidaire models: FCRE3052AS 30 in Freestanding Electric with Steam Clean, FCRG3052AS 30 in Freestanding Gas with Steam Clean, FCWS3027AS 30 in Single Wall Oven with Fan Convection, FFEF3016TS 30 in Freestanding Electric Range, FFEF3054TS 30 in 5.4 cu ft Electric Range with Air Fry and True Convection Oven, FFGF3054TS 30 in Freestanding Gas Range, and 8 more. The fix may vary by model, so check each model's specific page for tailored repair steps.