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Error code reference

GE Range Error Code F120

Any key (except Cancel) pressed longer than 60 seconds.

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Any key (except Cancel) pressed longer than 60 seconds.

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What F120 means on a GE range

The F120 error code on a GE range indicates that a key on the control panel has been held in a pressed position continuously for longer than 60 seconds. The control board monitors keypad input and is programmed to recognize sustained key contact as a fault condition rather than intentional user input. When the timer threshold is exceeded, the board triggers this code and typically locks out further operation to prevent unintended commands from being executed.

The most common source of this fault is a physically stuck or mechanically obstructed key on the membrane keypad. Food debris, grease buildup, or liquid that has seeped beneath the keypad overlay can press a button into continuous contact with the underlying circuit. In some cases, the membrane itself can delaminate or warp, causing a key to remain depressed against the touchpad sensor without any external pressure being applied by the user.

A failed membrane keypad or a faulty control board can also generate this code without any visible obstruction. If the keypad's internal conductive traces are damaged or shorted, the board may read continuous input on a specific key circuit. Similarly, if the electronic control board itself has developed a fault in the input-reading circuitry, it may incorrectly interpret an open key as being held down. Distinguishing between a keypad failure and a control board failure typically requires inspecting and testing the membrane keypad assembly as the first step before replacing more expensive components.

Source: manufacturer service documentation.

Common causes of F120

  1. 01

    Stuck or obstructed keypad button

    Wiring / connection

    Food residue, grease, or spilled liquid beneath the keypad overlay can physically hold a key in the pressed position. Inspect the control panel surface for any visible debris, sticky spots, or deformation around individual keys.

  2. 02

    Damaged or worn membrane keypad

    Part replacement

    The membrane keypad can delaminate, warp, or develop internal short circuits over time, causing the board to read a key as continuously pressed even when it is not being touched. Replacing the membrane keypad assembly typically resolves this.

  3. 03

    Liquid intrusion into the control panel

    Part replacement

    Water or cleaning solution that seeps behind the keypad overlay can bridge contacts and simulate a held key press. Check for moisture or corrosion around the keypad and its ribbon cable connector.

  4. 04

    Faulty electronic control board

    Part replacement

    If the control board's input-reading circuitry has failed, it may register a continuous key press even when the keypad itself is undamaged. This is less common than a keypad failure but should be considered if replacing the keypad does not clear the fault.

  5. 05

    Unintentional user contact with the panel

    Wiring / connection

    An object leaning against the control panel or a child pressing a key for an extended period can trigger this code without any component failure. Verify that nothing is in contact with the panel before beginning further diagnostics.

See the test procedure for each cause

Frequently asked questions about F120

What does F120 mean on a GE range?
The F120 code means the range detected that a control panel key was held down continuously for more than 60 seconds. The control board interprets this as a fault rather than normal input. It will lock out operation to prevent accidental commands. The cause is most often a stuck, dirty, or mechanically failed keypad.
Can I fix the F120 error myself, or do I need a technician?
In many cases, a homeowner can resolve this error by thoroughly cleaning the control panel surface to remove any debris or sticky residue that may be holding a key down. If cleaning does not help, replacing the membrane keypad is a moderately involved repair that requires disconnecting the ribbon cable and is within reach of a confident DIYer. If the control board is at fault, a technician is recommended for proper diagnosis and replacement.
Is the F120 error on a GE range a safety concern?
The F120 fault itself is a control system warning and not a direct safety hazard. However, the range will restrict normal operation while the code is active, which means cooking functions may be unavailable. Address the fault promptly to restore proper control and prevent any unintended operation that could result from a continuously active key input.
How much does it cost to repair an F120 error on a GE range?
If the fix is simply cleaning the keypad, there is no parts cost involved. A replacement membrane keypad typically costs in the range of $40 to $120 depending on the model. If the electronic control board needs to be replaced, parts alone can run from $150 to $350 or more, with additional labor costs if a technician performs the repair.
Will resetting the range clear the F120 error code?
Resetting the range by cutting power at the circuit breaker for 30 to 60 seconds will often clear the F120 code temporarily. However, if the underlying cause, such as a stuck key, damaged keypad, or shorted membrane, is not corrected, the code will return once power is restored and the control board detects the same fault condition again. A reset should be used as a first step to confirm the error, not as a permanent solution.

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