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Error code reference

Electrolux Range Error Code F6

Communication failure between the mother board and the electronic oven control in the ESEC 5 system.

Electrolux codesElectrolux range codes

Communication failure between the mother board and the electronic oven control in the ESEC 5 system.

First step from the service manual

Turn off all top elements, unplug the harness on the EOC that connects to the mother board, and short pins 1 and 2 of the plug with a wire; then turn on a top element to determine if the EOC or mother board is defective.

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

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What F6 means on a Electrolux range

The F6 error code on an Electrolux range indicates a communication failure between the mother board and the Electronic Oven Control (EOC) within the ESEC 5 control system. These two boards continuously exchange data signals to coordinate oven functions, and when that communication link breaks down, the system logs F6 to alert the technician that the control loop has been interrupted. This is a system-level fault, meaning the problem could originate from either control board or from the wiring harness that connects them.

The diagnostic procedure is specifically designed to isolate which component is responsible. With all top elements turned off, the harness connecting the EOC to the mother board is unplugged, and pins 1 and 2 of that plug are shorted together using a jumper wire. A top element is then activated. This test simulates a direct signal path, bypassing the EOC entirely. If the top element operates correctly with the pins shorted, the mother board is functioning and the EOC is the likely defective component. If the top element still does not respond, the mother board is suspect.

Common root causes include a failed EOC, a failed mother board, or a damaged wiring harness between the two. Intermittent faults can also arise from loose connector pins or corrosion at the harness terminals. Because both boards are involved in the communication circuit, it is critical to complete the pin-short test before replacing any parts, as swapping the wrong board will not resolve the fault.

Source: manufacturer service documentation.

Common causes of F6

  1. 01

    Defective Electronic Oven Control (EOC)

    Part replacement

    The EOC is the most frequent point of failure in this communication circuit. If the pin-short test allows the top element to function normally, the EOC is confirmed defective and will need replacement.

  2. 02

    Defective mother board

    Part replacement

    If shorting pins 1 and 2 of the harness plug does not restore top element operation, the mother board is the likely cause. The mother board handles the primary control signals and its failure will break communication with the EOC.

  3. 03

    Damaged or disconnected wiring harness

    Wiring / connection

    The harness connecting the EOC to the mother board can develop breaks, shorts, or loose connections over time. Inspect the harness for visible damage, pinched wires, or terminals that are not fully seated in the connector.

  4. 04

    Corroded or loose connector pins

    Wiring / connection

    Corrosion or debris on the harness connector pins can interrupt the data signal between the two boards without causing visible wire damage. Cleaning and reseating the connector may restore communication.

See the test procedure for each cause

Frequently asked questions about F6

What does F6 mean on a Electrolux range?
F6 indicates a communication failure between the mother board and the Electronic Oven Control in the ESEC 5 system. These two control boards must exchange signals continuously for the range to operate, and this code appears when that link is broken. The fault can originate from either board or from the wiring harness that connects them. A specific pin-short diagnostic test is required to determine which component has failed.
Can I fix an F6 error on my Electrolux range myself?
The diagnostic test for F6 requires unplugging the harness at the EOC and shorting specific pins with a jumper wire, which involves working inside the range near live components. This is within reach of an experienced DIYer who is comfortable with appliance electronics, but the procedure does carry safety risks. If you are not confident working with appliance wiring, a qualified technician should perform the diagnosis and repair.
Is it safe to use my Electrolux range when F6 is displayed?
With an F6 fault active, the range's control system is compromised and its behavior may be unpredictable. It is best to avoid using the appliance until the fault has been diagnosed and the defective component replaced. Continuing to operate the range with a known control communication failure is not recommended.
Will resetting my Electrolux range clear the F6 error?
Unplugging the range or cycling the breaker may temporarily clear the F6 code, but if the underlying component, whether the EOC, mother board, or harness, is actually faulty, the error will return. A reset does not repair the communication failure. The pin-short diagnostic test is necessary to identify and correct the actual cause.
How much does it cost to repair an F6 error on an Electrolux range?
Repair costs depend on which component has failed. Replacement control boards for Electrolux ranges typically range from around $100 to $300 or more for parts alone, depending on the specific board required. Adding professional labor, total repair costs often fall between $200 and $500. Getting a diagnosis first ensures you replace only the defective board rather than both.

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