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Error code reference

Maytag Oven Error Code F6E5

Cavity size is incorrect.

Maytag codesMaytag oven codes

Cavity size is incorrect.

First step from the service manual

In Diagnostics, press SYSTEM INFO > MODEL AND SIZE; verify cavity size and correct if needed via EDIT CAVITY SIZE.

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

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What F6E5 means on a Maytag oven

The F6E5 error code on a Maytag oven indicates that the cavity size stored in the control board's memory does not match the expected configuration for the unit. The oven's electronic control system maintains a programmed record of the cavity dimensions, which it uses to calibrate cooking functions, temperature management, and certain diagnostic routines. When this stored value is absent, corrupted, or set to an incorrect size parameter, the control detects the mismatch and triggers F6E5.

This error is fundamentally a configuration or software-level fault rather than a mechanical or electrical component failure. It most commonly occurs after a control board replacement, a software reset, or a firmware update that clears or resets stored settings. In some cases, a power surge or prolonged power interruption can corrupt the non-volatile memory on the control board, causing the cavity size setting to revert to a default or blank state.

Diagnosing and resolving F6E5 requires entering the oven's diagnostic mode and navigating to SYSTEM INFO, then MODEL AND SIZE. This screen displays the currently stored cavity size, which the technician should compare against the actual unit specifications. If the value is incorrect or missing, the EDIT CAVITY SIZE function allows the correct value to be entered and saved to the control board's memory. No physical component replacement is typically needed unless the control board itself is faulty and unable to retain the corrected setting.

Source: manufacturer service documentation.

Common causes of F6E5

  1. 01

    Control board replacement without reconfiguration

    Wiring / connection

    When a new control board is installed, it ships without unit-specific settings. The cavity size must be programmed manually using the EDIT CAVITY SIZE function in diagnostics before the oven will operate normally.

  2. 02

    Corrupted control board memory from power event

    Wiring / connection

    A power surge, brownout, or extended outage can corrupt the non-volatile memory on the control board, erasing stored configuration data including cavity size. Checking the stored value in SYSTEM INFO will reveal a blank or incorrect entry.

  3. 03

    Software or firmware reset

    Wiring / connection

    A full factory reset or firmware update can clear stored settings including cavity size. If the error appeared shortly after any software servicing, the cavity size simply needs to be re-entered through the diagnostic menu.

  4. 04

    Faulty control board unable to retain settings

    Part replacement

    If the cavity size is correctly entered but F6E5 returns after power cycling, the control board's memory may be defective and unable to hold the saved configuration. This scenario requires control board replacement.

See the test procedure for each cause

Frequently asked questions about F6E5

What does F6E5 mean on a Maytag oven?
F6E5 means the oven's control board has detected that the stored cavity size setting is incorrect or missing. This is a configuration fault, not a mechanical failure. It is resolved by accessing the diagnostic menu, going to SYSTEM INFO then MODEL AND SIZE, and correcting the value using EDIT CAVITY SIZE.
Can I fix the F6E5 error myself, or do I need a technician?
Correcting the cavity size setting requires entering the oven's service diagnostic mode, which is typically accessible only with knowledge of the specific button sequence for that model. While the fix itself is software-based and does not require parts, most homeowners will need a qualified technician to navigate the diagnostic menu and enter the correct value safely.
Is it safe to use my Maytag oven while F6E5 is displayed?
F6E5 is a configuration error that may affect how the oven manages cooking functions and temperature calibration. Using the oven while this error is active is not recommended, as the control system may not behave as intended. The error should be corrected before resuming normal use.
Will resetting the oven clear the F6E5 error code?
A simple power reset, such as unplugging the oven or tripping the circuit breaker, will not resolve F6E5 because the underlying cause is a missing or incorrect setting in the control board's memory. The correct cavity size must be entered through the EDIT CAVITY SIZE function in the diagnostic menu. If the setting is not corrected, the error will return after every power cycle.
How much does it cost to fix a Maytag oven showing F6E5?
If the fix only requires reprogramming the cavity size through the diagnostic menu, the cost is typically limited to a service call fee, which generally ranges from $75 to $150 depending on your location and the technician. If the control board itself is faulty and unable to retain the setting, board replacement can add $150 to $400 or more in parts and labor. Most F6E5 cases do not require any parts.

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