Written by
Daniel Reyes Appliance SpecialistPublished October 20, 2026
Error codeF8 / F9
ApplianceRange
Quick answer
F8 and F9 mean the lock motor switches are out of sequence or shorted on older Frigidaire controls.
Model compatibility: Frigidaire reuses codes across series and model years, so F8 / F9 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Lock motor switches improperly positioned (out of sequence or shorted).
F8 and F9 are paired codes from an older series of Frigidaire electronic oven controls (EOC). The microprocessor has found the lock motor switches out of sequence or shorted.
What a technician tests
The switches themselves are tested first. When they prove good and in the proper sequence, the EOC is the part replaced.
Owner note
Nothing in the fault sheet gives an owner-level step for F8 or F9, so the safe course is to leave the lock mechanism alone and arrange a visit.
Los Angeles owners can book Frigidaire range service by phone at (310) 861-3938. It helps to have the exact code, the model number and your earlier attempts on hand.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Frigidaire appliance?
Book a specialist visit for a clear estimate and approval before any repair.