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Error code reference

Jenn-Air Range Error Code F6

Main control board shorted (only time of day and minute timer will work).

Jenn-Air codesJenn-Air range codes

Main control board shorted (only time of day and minute timer will work).

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What F6 means on a Jenn-Air range

The F6 error code on a Jenn-Air range indicates a fault condition within the main control board, specifically involving an internal short. When this fault is active, the control board loses the ability to manage cooking functions and oven operation, but retains limited functionality limited to the time-of-day clock display and the minute timer. This behavior is diagnostic in itself: the microprocessor and its basic clock circuit are still operating, but the portion of the board responsible for output control to heating elements, relays, or other cooking components has failed.

A shorted condition on the main control board typically means one or more internal components on the board itself have failed, such as a relay, triac, capacitor, or other surface-mounted component that has experienced an electrical short. This can result from power surges, voltage spikes from the home electrical supply, or simple component fatigue over time. Moisture intrusion or grease contamination reaching the board can also create conductive paths that simulate a short circuit.

Because the fault is located within the control board itself, external wiring and sensors are generally not the primary suspects, though loose or damaged wiring harness connections at the board should be inspected before condemning the board. In most cases, this error requires replacement of the main control board to restore full range operation.

Source: manufacturer service documentation.

Common causes of F6

  1. 01

    Failed main control board (internal short)

    Part replacement

    The most likely cause is an internal short within the main control board itself, affecting relay or triac components that manage cooking outputs. The board must be replaced to restore normal function.

  2. 02

    Power surge or voltage spike

    Part replacement

    A sudden surge from the home electrical supply can damage internal board components and create a shorted condition. Inspect the board for visible burn marks or damaged components as evidence of surge damage.

  3. 03

    Loose or damaged wiring harness connections

    Wiring / connection

    A loose, corroded, or damaged connector at the main control board can trigger fault conditions. Inspect all harness connections at the board for secure seating and signs of heat damage or corrosion before replacing the board.

  4. 04

    Moisture or grease contamination on the board

    Wiring / connection

    Grease or moisture that has reached the control board can create unintended conductive paths that register as a short. Check the board visually for residue or corrosion and clean carefully if present.

See the test procedure for each cause

Frequently asked questions about F6

What does F6 mean on a Jenn-Air range?
The F6 code on a Jenn-Air range indicates that the main control board has an internal short circuit. When this fault occurs, all cooking functions are disabled, but the clock and minute timer remain operational. This limited functionality is a defining characteristic of this specific fault. In most cases, the main control board requires replacement to resolve the error.
Can I fix the F6 error on my Jenn-Air range myself?
A knowledgeable DIYer can start by checking wiring harness connections at the main control board for looseness or visible damage, since a poor connection can sometimes trigger fault codes. If all connections are secure and the code persists, the main control board itself will need to be replaced. Replacing a control board involves working near high-voltage components, so if you are not comfortable with appliance electrical repair, hiring a qualified technician is recommended.
Is it safe to use my Jenn-Air range while the F6 code is showing?
When the F6 error is active, the range will not operate cooking functions, so the risk of unintended heating is reduced. However, an internal board short is an electrical fault and the range should not be relied upon for cooking until the issue is resolved. Avoid using the range for cooking and consider disconnecting power if you are concerned about the fault worsening.
How much does it cost to repair an F6 error on a Jenn-Air range?
Repair costs depend on whether a wiring fix resolves the issue or a new main control board is needed. A main control board replacement for a Jenn-Air range typically costs between $150 and $400 for the part alone, depending on the specific model. Adding professional labor, total repair costs generally range from $250 to $600 or more.
Will resetting my Jenn-Air range clear the F6 error code?
Disconnecting power to the range for several minutes and then restoring it may temporarily clear the code display, but if the main control board has an actual internal short, the F6 error will return once the range is powered back up. A reset does not repair a shorted board. Persistent return of the code after a reset confirms that the underlying hardware fault must be addressed.

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