mypros+
Error code reference

Electrolux Washer Error Code 86

Incorrect UI selection table.

Electrolux codesElectrolux washer codes

Incorrect UI selection table.

First step from the service manual

Refer to test (11) - Check wiring between main control board and user interface board.

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

MyPros+ Max

Get the full diagnostic procedure for 86.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 86 means on a Electrolux washer

Error code 86 on an Electrolux washer indicates that the main control board has detected an incorrect or mismatched UI (user interface) selection table. The user interface board contains a configuration table that tells the main control board which wash cycles, options, and features are available on that specific model. When the main control board reads this table and finds that the data does not match what it expects, it flags error code 86 and halts normal operation to prevent incorrect cycle execution.

The wiring harness connecting the main control board to the user interface board is the first area to inspect. A damaged, corroded, or loosely seated connector can cause intermittent or corrupted data transmission between the two boards, leading the main control to misread or fail to read the UI selection table entirely. This communication failure mimics the symptom of an incompatible or corrupted table even when the boards themselves are functioning correctly.

In cases where the wiring checks out without faults, the user interface board itself may have a corrupted memory table or internal failure, requiring board replacement. Less commonly, the main control board may be at fault if it cannot correctly interpret valid data sent from the UI board. Technicians should follow test procedure 11 as outlined in the diagnostic sequence, inspecting connector seating, wire continuity, and insulation integrity between both boards before condemning either component.

Source: manufacturer service documentation.

Common causes of 86

  1. 01

    Loose or disconnected wiring connector

    Wiring / connection

    A connector between the main control board and the user interface board may be partially unseated, causing unreliable data communication. Inspect both ends of the wiring harness for connectors that are not fully clicked into place.

  2. 02

    Damaged or corroded wiring harness

    Part replacement

    Wires in the harness running between the two boards can develop corrosion, breaks, or shorts that corrupt the signal carrying the UI selection table data. Visually inspect the harness for pinched sections, burned insulation, or corroded terminals.

  3. 03

    Faulty user interface board

    Part replacement

    The user interface board may have a corrupted configuration table stored in its memory, or an internal component failure that causes it to transmit incorrect selection table data to the main control board.

  4. 04

    Incompatible or incorrect replacement UI board

    Part replacement

    If the user interface board was recently replaced, the new board may not be the correct part for that specific model, resulting in a selection table mismatch that triggers error 86.

  5. 05

    Failed main control board

    Part replacement

    If the wiring and user interface board both test correctly, the main control board may be unable to properly read or process the UI selection table data, indicating an internal fault on the main board.

See the test procedure for each cause

Frequently asked questions about 86

What does 86 mean on a Electrolux washer?
Error code 86 on an Electrolux washer means the main control board has detected an incorrect UI selection table, indicating a communication problem between the main control board and the user interface board. The two boards exchange configuration data so the washer knows which cycles and options are available, and when that data is wrong or unreadable, error 86 is triggered. The washer will not operate normally until the issue is resolved.
Can I fix error code 86 on my Electrolux washer myself?
A knowledgeable DIYer can start by checking that all wiring connectors between the main control board and the user interface board are fully seated and free of corrosion. If the connectors look secure and undamaged, resolving the error typically requires replacing the user interface board or main control board, which involves working inside the machine's cabinet. If you are not comfortable accessing internal components, a qualified technician should perform the diagnosis and repair.
Is it safe to use my Electrolux washer when error 86 is displayed?
Error code 86 indicates a communication fault between the control boards, and the washer will generally not allow a cycle to run while this error is active. You should not attempt to force the machine to operate while the error is present. Addressing the underlying wiring or board issue before resuming use is the recommended approach.
How much does it cost to repair error code 86 on an Electrolux washer?
If the fix is simply reseating a loose connector, there may be no parts cost at all, with only a service call fee if a technician is involved. A replacement user interface board typically costs in the range of $80 to $200 for the part alone, plus labor. A main control board replacement can range from $150 to $350 or more for the part, depending on the model, with additional labor costs if a technician performs the work.
Will resetting my Electrolux washer clear error code 86?
A power reset, such as unplugging the washer for a few minutes and plugging it back in, may temporarily clear the error display, but the code will return if the underlying wiring or board fault has not been corrected. Error code 86 reflects an actual communication problem between the main control board and the user interface board, not a random software glitch. A lasting repair requires diagnosing and correcting the wiring or replacing the faulty board.

Related Electrolux washer codes

All Electrolux washer codes
View all 231 Electrolux washer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass