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Error code reference

Electrolux Washer Error Code E55

Under speed

Electrolux codesElectrolux washer codes

Under speed – wiring problem, motor defective, or motor control board defective.

First step from the service manual

Check if the power supply is as per product specifications.

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

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  • 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
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What E55 means on a Electrolux washer

The E55 error code on an Electrolux washer indicates an under-speed condition, meaning the motor is failing to reach or maintain the correct rotational speed during a cycle. The control system continuously monitors motor RPM through feedback signals, and when the actual speed falls significantly below the commanded speed, the unit logs this fault and may halt operation to prevent damage. This fault points to one of three areas: the wiring circuit between the motor and the motor control board, the drive motor itself, or the motor control board.

Before inspecting internal components, the first diagnostic step is to confirm that the incoming power supply matches the product's electrical specifications. Low or unstable supply voltage can prevent the motor from developing adequate torque and speed, mimicking a hardware fault. If the power supply checks out, attention moves to the wiring harness connecting the motor and control board. Loose connectors, chafed insulation, or corroded terminals can interrupt the signal or power delivery needed for proper motor operation.

If wiring is intact, the motor itself should be tested for continuity and proper resistance values across its windings. A winding that is open, shorted, or out of specification indicates a defective motor. If the motor tests within spec but the fault persists, the motor control board is likely the cause. A faulty board may fail to deliver the correct drive signals or voltage to the motor, resulting in under-speed conditions even when all other components are functional.

Source: manufacturer service documentation.

Common causes of E55

  1. 01

    Wiring or connector fault

    Wiring / connection

    Loose, corroded, or damaged connectors in the harness between the motor and motor control board can interrupt power or signal delivery, causing under-speed faults. Inspect all connectors and wiring for signs of wear, burn marks, or poor seating.

  2. 02

    Insufficient or unstable power supply

    Wiring / connection

    If the incoming voltage is below the product's specified range, the motor cannot develop enough torque to reach target speed. Verify the outlet voltage and circuit capacity match the washer's electrical requirements.

  3. 03

    Defective drive motor

    Part replacement

    A motor with worn brushes, damaged windings, or failed bearings will struggle to reach commanded speeds. Testing motor winding continuity and resistance will help confirm whether the motor is out of specification.

  4. 04

    Failed motor control board

    Part replacement

    If the motor and wiring check out correctly, the motor control board may be failing to supply the proper drive signals or voltage. A defective board cannot accurately regulate motor speed, triggering the E55 code.

See the test procedure for each cause

Frequently asked questions about E55

What does E55 mean on a Electrolux washer?
The E55 code means the washer has detected an under-speed condition, where the motor is not spinning at the required RPM during a cycle. The fault points to one of three possible causes: a wiring problem in the motor circuit, a defective drive motor, or a defective motor control board. The first step in diagnosing the code is confirming the power supply voltage meets the washer's specifications.
Can I fix an E55 error on my Electrolux washer myself?
Some causes of E55 can be addressed without professional help, such as checking that the power outlet provides correct voltage or inspecting visible wiring connectors for looseness or corrosion. However, testing motor windings and replacing a motor or control board typically requires electrical knowledge, a multimeter, and comfort working with appliance internals. If you are not experienced with appliance repair, having a qualified technician diagnose the fault is the safer approach.
Is it safe to keep using my washer when it shows E55?
It is not recommended to continue running the washer while E55 is active. An under-speed condition means the motor is not operating correctly, and continued use could worsen damage to the motor or motor control board. The washer may also fail to complete cycles properly, potentially leaving laundry soaking in water.
How much does it cost to repair an E55 error on an Electrolux washer?
Repair costs vary depending on the root cause. If only a wiring connector needs reseating or replacing, costs are relatively low, typically in the range of $50 to $150 including a service call. A replacement drive motor generally runs between $150 and $350 in parts and labor. A new motor control board can add $200 to $450 or more depending on the model and labor rates in your area.
Will resetting my Electrolux washer clear the E55 error?
Resetting the washer by unplugging it for a few minutes may temporarily clear the E55 code, but if the underlying cause has not been corrected, the error will return once the washer attempts to run a cycle again. A reset is useful for ruling out a one-time glitch, but a persistent E55 code requires proper diagnosis and repair of the wiring, motor, or motor control board to resolve it permanently.

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