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Error code reference

Frigidaire Freezer Error Code LOC

Display lockout is active; control panel is locked and will not accept temperature or extreme freeze changes.

Display lockout is active; control panel is locked and will not accept temperature or extreme freeze changes.

First step from the service manual

Press and hold the ALARM RESET key until the control beeps and 'UL' appears in the display to unlock.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What LOC means on a Frigidaire freezer

The LOC code on a Frigidaire freezer indicates that the display lockout feature is currently active. This is a software-level control state, not a hardware fault or component failure. When LOC is displayed, the control panel is intentionally locked, meaning all user inputs for temperature adjustments and extreme freeze function changes are disabled. The freezer continues to operate normally at its last set parameters; the lock simply prevents accidental or unauthorized changes to the settings.

The display lockout is managed by the main control board's firmware and is activated through a deliberate button sequence. It is commonly triggered by an accidental press-and-hold of the ALARM RESET key, or in households with children where the lock is intentionally engaged to prevent setting changes. The LOC indicator will remain on the display indefinitely until the unlock procedure is performed. Because the freezer keeps running at the previously configured temperature, no food safety risk is introduced by this state.

To clear the LOC code, press and hold the ALARM RESET key until the control emits a beep and the display changes from LOC to UL, which confirms the panel is now unlocked. Once UL appears, normal control panel operation is restored and temperature or extreme freeze adjustments can be made again. If the LOC code returns immediately after unlocking, the ALARM RESET key itself may be stuck or experiencing intermittent contact issues, which would require inspection of the keypad.

Source: manufacturer service documentation.

Common causes of LOC

  1. 01

    Accidental activation of the lock feature

    Wiring / connection

    The display lockout is easy to trigger unintentionally by leaning against the panel or pressing the ALARM RESET key for an extended period. This is the most common reason LOC appears with no prior user intent to lock the controls.

  2. 02

    Intentional lock engaged by another user

    Wiring / connection

    Another household member, such as a parent child-proofing the appliance, may have deliberately activated the lock. Check with others in the home before proceeding to diagnostic steps.

  3. 03

    Stuck or intermittently shorted ALARM RESET key

    Wiring / connection

    A keypad button that is physically stuck in a depressed position or has debris beneath it can continuously trigger the lock sequence. Inspect the key for visible sticking or residue and clean around the button.

  4. 04

    Faulty keypad membrane

    Part replacement

    If the LOC code returns immediately after unlocking, the keypad membrane may have a damaged contact beneath the ALARM RESET key that is sending a continuous or repeated signal to the control board. Replacement of the keypad assembly would be needed.

  5. 05

    Control board retaining lock state after power interruption

    Wiring / connection

    In rare cases, the main control board may retain or incorrectly restore a locked state after a power outage or surge. Performing the unlock procedure after power is restored typically resolves this.

See the test procedure for each cause

Frequently asked questions about LOC

What does LOC mean on a Frigidaire freezer?
LOC means the display lockout feature is active and the control panel is locked. The freezer itself continues to run and maintain temperature normally. No temperature changes or extreme freeze adjustments can be made until the panel is unlocked. It is a control state, not a fault or error with a component.
How do I fix the LOC code on my Frigidaire freezer?
Press and hold the ALARM RESET key on the control panel. Continue holding it until the control beeps and the display changes to show UL, which confirms the lockout has been deactivated. Normal control panel functionality is restored immediately after UL appears. If LOC returns right away, inspect the ALARM RESET key for sticking or debris.
Is my freezer still working when it shows LOC?
Yes, your freezer continues to operate normally when LOC is displayed. The unit maintains the temperature that was set before the lock was activated. Food stored inside is not at risk. The LOC code only affects your ability to change settings through the control panel.
Will resetting the freezer clear the LOC code?
Unplugging the freezer or cycling power may not permanently clear the LOC code, as the control board can restore the locked state on startup. The correct method is to use the ALARM RESET key hold procedure until UL appears on the display. This is the only reliable way to deactivate the lockout through normal operation.
How much does it cost to repair a Frigidaire freezer showing LOC?
In most cases there is no repair cost at all, since LOC is resolved by simply pressing and holding the ALARM RESET key. If the LOC code keeps returning due to a faulty keypad membrane or stuck key, keypad assembly replacement is typically needed, with parts and labor costs ranging from roughly 80 to 200 dollars depending on the model and service provider.

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