Frigidaire Range Error Code F90: Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

Frigidaire range error code F90 means: There is a door lock issue (F90–F94). [1] Keep using it? Not until the cause is fixed. Start with the owner checks below, beginning with: unlock.

Quick facts

Code	F90
Also shown as	F91, F92, F93, F94
Brand / appliance	Frigidaire range
System	Door / lock
Official meaning	There is a door lock issue (F90–F94). [1]
Keep using it?	Not until the cause is fixed
DIY-safe?	Owner checks only (listed below)
Support	Frigidaire support (owner.frigidaire.com)

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code F90 means on a Frigidaire range

There is a door lock issue (F90–F94). [1]

This is a door / lock code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix Frigidaire range error code F90 (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on Frigidaire's published guidance [1], rewritten for clarity.

Unlock. Press UNLOCK and follow the on-screen directions.
Reset. Disconnect power for up to 30 seconds. This clears most false codes.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

The lock stays engaged after a reset
Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact Frigidaire support (owner.frigidaire.com) first

Frequently asked questions

What does error code F90 mean on a Frigidaire range?

Frigidaire lists F90 as follows: There is a door lock issue (F90–F94).

Is it safe to keep using the range with F90?

Not until the cause is fixed.

Can I fix Frigidaire range error F90 myself?

Only with the owner checks on this page, starting with: unlock. If it persists, call a technician or Frigidaire support (owner.frigidaire.com).

Is F91 the same as F90?

Yes. Frigidaire's documentation lists F91, F92, F93, F94 with the same meaning as F90; the display format depends on the model.

Sources

https://owner.frigidaire.com/support-articles/article/oven-error-codes-and-alarms-guide (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Frigidaire.