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Error code reference

Jenn-Air Oven Error Code F6E6

Oven Appliance Manager

Jenn-Air codesJenn-Air oven codes

Oven Appliance Manager — lost communication with ADA expansion board.

First step from the service manual

Run any function and wait 1 minute. If the error appears, unplug oven and check wiring and connectors from the AM control board and ADA expansion board.

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

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What F6E6 means on a Jenn-Air oven

The F6E6 error code on a Jenn-Air oven indicates a lost communication fault between the Appliance Manager (AM) control board and the ADA expansion board. The Appliance Manager is the primary control module that coordinates oven functions, while the ADA expansion board handles specific interface or accessibility-related control signals. When communication between these two boards breaks down, the AM logs F6E6 and may interrupt normal oven operation to prevent uncontrolled behavior.

This communication link relies on a wiring harness connecting the two boards, and the most common source of this fault is a failure somewhere along that path. Loose connectors, damaged wiring insulation, corroded terminals, or a pinched harness can all disrupt the signal. Because the fault is communication-based rather than a direct component failure, the issue can be intermittent before becoming persistent.

Diagnosing F6E6 begins with confirming the fault is repeatable by running any oven function and waiting one minute. If the code reappears, the oven should be unplugged before inspecting the wiring and connectors between the AM control board and the ADA expansion board. If the wiring checks out and connections are secure, the fault likely points to a failed ADA expansion board or a failing AM control board, either of which would require component replacement to resolve.

Source: manufacturer service documentation.

Common causes of F6E6

  1. 01

    Loose or disconnected wiring connector

    Wiring / connection

    The connectors linking the AM control board to the ADA expansion board can loosen over time due to vibration or heat cycling. Inspect both ends of the wiring harness for connectors that are not fully seated or have backed-out terminals.

  2. 02

    Damaged or pinched wiring harness

    Part replacement

    The harness running between the two boards can become pinched, frayed, or have compromised insulation, breaking the communication circuit. Visually trace the entire harness and check for any visible damage.

  3. 03

    Corroded or oxidized terminals

    Wiring / connection

    Moisture or heat exposure can cause terminal corrosion at the connector points, increasing resistance and disrupting the communication signal. Look for discoloration, green or white deposits, or pitting on the metal contacts.

  4. 04

    Failed ADA expansion board

    Part replacement

    If wiring and connectors are intact and the error persists, the ADA expansion board itself may have failed internally. This would require replacement of the board to restore communication.

  5. 05

    Failed Appliance Manager (AM) control board

    Part replacement

    In cases where the wiring and ADA expansion board test as normal, the AM control board may no longer be transmitting communication signals correctly. A faulty AM board would require replacement.

See the test procedure for each cause

Frequently asked questions about F6E6

What does F6E6 mean on a Jenn-Air oven?
F6E6 means the Appliance Manager control board has lost communication with the ADA expansion board. These two boards work together to manage oven functions, and when their communication link is interrupted, the oven logs this fault code. The cause is most often a wiring or connector issue between the two boards, though a failed board can also be responsible.
Can I fix the F6E6 error myself?
Some cases of F6E6 can be resolved without professional help by inspecting and reseating the wiring connectors between the AM control board and the ADA expansion board. Always unplug the oven before touching any internal components. If the connectors and wiring look undamaged and the error persists, board replacement is likely needed, which is a more involved repair.
Is it safe to use my Jenn-Air oven while F6E6 is displayed?
It is not recommended to continue using the oven while F6E6 is active. A lost communication fault between control boards can lead to unpredictable oven behavior. Discontinue use until the issue is diagnosed and repaired.
Will resetting the oven clear the F6E6 error code?
Unplugging the oven for a few minutes may temporarily clear the code, but if the underlying wiring or board issue is not resolved, F6E6 will return. The diagnostic process calls for running a function and waiting one minute to confirm whether the fault reappears. A reset alone is not a fix.
How much does it cost to repair a Jenn-Air oven showing F6E6?
Repair costs vary depending on the root cause. If the fix involves reseating a connector, the cost may be limited to a service call fee, typically in the range of $75 to $150. If a board replacement is needed, parts and labor combined can range from $200 to $600 or more, depending on which board has failed and local labor rates.

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