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Error code reference

Whirlpool Microwave Error Code F2-E6

CANCEL key drive line open.

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CANCEL key drive line open.

First step from the service manual

1. Check keypad connector for firm connection. 2. Press CANCEL. If error code returns after 60 sec., replace keypad. 3. If fault persists replace control.

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

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What F2-E6 means on a Whirlpool microwave

The F2-E6 error code on a Whirlpool microwave indicates that the control board has detected an open circuit on the CANCEL key drive line. The keypad assembly uses a matrix of drive lines and sense lines to register button presses. When the control board sends a signal down the CANCEL key drive line and receives no response, it interprets the circuit as open and triggers this fault code. This is a specific electrical continuity failure within the keypad communication circuit, not a general keypad malfunction.

The most common source of this fault is a loose or partially disconnected ribbon cable between the keypad and the control board. Vibration during operation, repeated door slamming, or simple wear over time can cause the connector to loosen, breaking the signal path. In other cases, the keypad membrane itself develops an internal break along the conductive trace that carries the CANCEL drive line signal, which produces the same open-circuit condition the control board detects.

If reseating the keypad connector does not resolve the fault, the next step is to test the keypad by pressing CANCEL and observing whether the error returns within 60 seconds. A returning fault after that interval points to a failed keypad membrane that requires replacement. If swapping the keypad does not clear the code, the fault lies within the control board itself, which may have a damaged driver circuit responsible for that specific drive line.

Source: manufacturer service documentation.

Common causes of F2-E6

  1. 01

    Loose keypad ribbon connector

    Wiring / connection

    The ribbon cable connecting the keypad to the control board may have come loose or partially disconnected. This is the first thing to check, as reseating the connector often resolves the fault without replacing any parts.

  2. 02

    Failed keypad membrane

    Part replacement

    The flexible membrane inside the keypad can develop a break along the conductive trace for the CANCEL drive line, creating an open circuit the board cannot detect a signal through. Replacement of the keypad assembly is required.

  3. 03

    Damaged ribbon cable

    Part replacement

    The ribbon cable itself may have a physical break, kink, or worn spot along its length, interrupting the drive line signal even if the connectors at both ends appear secure. Inspect the cable carefully for visible damage.

  4. 04

    Faulty control board

    Part replacement

    If a new keypad does not clear the fault, the driver circuit on the control board responsible for the CANCEL key drive line may have failed. This is the least common cause and is only addressed after ruling out keypad and connector issues.

See the test procedure for each cause

Frequently asked questions about F2-E6

What does F2-E6 mean on a Whirlpool microwave?
F2-E6 means the control board has detected an open circuit on the CANCEL key drive line within the keypad system. The board sends a signal along that line and receives nothing back, indicating a break in the circuit. This can be caused by a loose connector, a damaged ribbon cable, or a failed keypad membrane.
Can I fix the F2-E6 error myself?
In many cases, yes. Start by unplugging the microwave, locating the keypad ribbon cable connector, and pressing it firmly back into its socket on the control board. If the error returns after 60 seconds when you press CANCEL, the keypad itself will need to be replaced. If a new keypad does not resolve it, the control board requires replacement, which is a more involved repair.
Will resetting the microwave clear the F2-E6 error?
A power reset by unplugging the unit for a few minutes may temporarily clear the display, but the code will return if the underlying open circuit in the CANCEL key drive line has not been corrected. Resetting is a useful first step to confirm the fault is active and repeatable, but it is not a fix on its own.
Is it safe to use my Whirlpool microwave while it shows F2-E6?
The F2-E6 code relates to the CANCEL key circuit, which is a critical safety function because the CANCEL key is used to stop the microwave immediately. With this circuit open, you may not be able to reliably stop a cooking cycle using that button. It is advisable to avoid using the microwave until the fault is resolved.
How much does it cost to repair the F2-E6 error on a Whirlpool microwave?
If only the keypad needs replacement, parts typically range from $30 to $100 depending on the specific model, plus labor if a technician performs the repair. A control board replacement is more expensive, generally ranging from $80 to $200 or more for the part alone. Getting a repair estimate before proceeding is worthwhile, especially on older units where the repair cost may approach the cost of a replacement microwave.

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