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Error code reference

Maytag Range Error Code F8

Function key shorted; sounds alarm and resets control to non-cook mode if a function key short is detected…

Maytag codesMaytag range codes

Function key shorted; sounds alarm and resets control to non-cook mode if a function key short is detected for 16 seconds. Shorted function key prevents recognition of Cancel Key.

First step from the service manual

Requires removal of power until serviced.

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

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What F8 means on a Maytag range

The F8 error code on a Maytag range indicates that one or more function keys on the control panel have been detected in a shorted condition. When the control detects a function key short persisting for 16 seconds, it triggers an audible alarm and automatically resets the control board to a non-cook mode, disabling all cooking operations. This is a protective response designed to prevent the range from executing unintended commands caused by a stuck or shorted input signal.

The function keys on a Maytag range communicate with the main control board through a membrane keypad or touchpad assembly. A short circuit in this assembly can occur when internal layers of the membrane fuse together, when moisture or debris infiltrates the keypad, or when the ribbon cable connecting the keypad to the control board becomes damaged or develops a short. The critical consequence of a shorted function key is that it also blocks the control from recognizing a Cancel key press, meaning the operator cannot manually clear the condition through normal use.

Because the shorted key prevents normal cancellation and the control has already shifted to non-cook mode, the only recommended immediate action is a full power disconnection by unplugging the range or switching off the circuit breaker. The range should not be returned to service until the source of the short has been identified and corrected. Attempting to power cycle and resume cooking without resolving the underlying fault will result in the F8 code returning and the alarm sounding again.

Source: manufacturer service documentation.

Common causes of F8

  1. 01

    Failed or shorted membrane keypad

    Part replacement

    The membrane keypad is the most frequent source of an F8 fault. Internal layers of the keypad can fuse together from wear or heat exposure, creating a continuous short signal that the control board reads as a stuck key.

  2. 02

    Moisture or debris contamination under the keypad

    Wiring / connection

    Liquid spills or grease buildup can seep beneath the keypad surface and create a conductive path between key contacts, producing a sustained short condition. Inspect the keypad surface and edges for any signs of residue or staining.

  3. 03

    Damaged ribbon cable between keypad and control board

    Part replacement

    The flexible ribbon cable connecting the keypad assembly to the main control board can develop a short if it is pinched, kinked, or has chafed insulation. Inspect the cable routing for any visible damage during diagnosis.

  4. 04

    Faulty main control board

    Part replacement

    If the keypad tests correctly and the ribbon cable shows no damage, the control board itself may be misreading input signals due to failed components on the board. This is less common but should be considered after ruling out the keypad assembly.

  5. 05

    Stuck or mechanically jammed key

    Wiring / connection

    In some cases, physical debris or a warped panel can cause a key to remain mechanically depressed, sending a continuous signal. Carefully inspect each key for resistance or visible obstruction before assuming an electrical fault.

See the test procedure for each cause

Frequently asked questions about F8

What does F8 mean on a Maytag range?
The F8 code means the control board has detected a shorted or stuck function key on the control panel. When this condition persists for 16 seconds, the range sounds an alarm and shuts down to a non-cook mode. A key side effect is that the Cancel key also stops responding, so the error cannot be cleared through the panel. Power must be disconnected before the range can be serviced.
Will resetting the power clear the F8 error code?
Cutting power will silence the alarm and temporarily reset the control, but if the underlying short in the keypad or ribbon cable has not been corrected, the F8 code will return once the range is powered back on and the short is detected again. A reset is only a starting point for diagnosis, not a permanent fix.
Is it safe to use the range while F8 is displayed?
No. The range has already entered a non-cook mode in response to the fault, and the control system is not functioning normally. Continuing to use the appliance without addressing the fault is not recommended. Disconnect power and have the range inspected before attempting to cook again.
How do I fix an F8 error on a Maytag range?
Start by disconnecting power completely. Then inspect the keypad for moisture, debris, or visible damage, and check the ribbon cable for pinching or worn insulation. In most cases the membrane keypad assembly needs to be replaced. If the keypad and cable are intact, the main control board may need to be tested or replaced by a qualified technician.
How much does it cost to repair an F8 error on a Maytag range?
Repair costs depend on which component has failed. A replacement membrane keypad or touchpad assembly typically runs in the range of $50 to $150 for the part alone, while a main control board can cost $100 to $300 or more. Adding professional labor will increase the total, generally bringing the full repair into the $150 to $500 range depending on the specific part needed and local labor rates.

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