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Error code reference

Electrolux Washer Error Code 55

Motor under speed (not available on 300 series, select models only).

Electrolux codesElectrolux washer codes

Motor under speed (not available on 300 series, select models only).

First step from the service manual

Check for heavy or unbalanced load, then refer to test (9).

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

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What 55 means on a Electrolux washer

Error code 55 on an Electrolux washer indicates a motor under speed condition, meaning the drive motor is not reaching or maintaining the rotational speed commanded by the control board during a cycle. The washer's control system monitors motor RPM in real time and triggers this fault when the actual speed falls significantly below the target speed. This error is not present on 300 series models and applies only to select Electrolux washer configurations.

The most common trigger for this fault is a mechanical loading issue. An excessively heavy load or an unbalanced load can place enough drag on the drum that the motor cannot spin up to the required speed, causing the under speed condition. This is why the first diagnostic step is to check the load size and distribution before moving on to component-level testing.

If load-related causes are ruled out, the fault points to a problem within the drive system itself. A failing drive motor, a worn or damaged motor control board, wiring harness faults between the control board and motor, or a mechanical obstruction in the drum or drive assembly can all prevent the motor from achieving proper speed. Test procedure 9 is the prescribed diagnostic sequence for isolating the faulty component once simple load issues have been eliminated.

Source: manufacturer service documentation.

Common causes of 55

  1. 01

    Heavy or unbalanced load

    Wiring / connection

    Too much laundry or a load that has shifted to one side creates excess drag on the drum, preventing the motor from reaching the target speed. Redistribute or reduce the load and restart the cycle to see if the error clears.

  2. 02

    Faulty drive motor

    Part replacement

    A worn or failing drive motor may not generate enough torque to maintain required drum speed under normal operating conditions. This is confirmed through test procedure 9, which checks motor performance directly.

  3. 03

    Motor control board failure

    Part replacement

    The motor control board regulates power delivery to the drive motor, and a defective board can cause insufficient or inconsistent power output, resulting in under speed faults. Inspection and testing of the board per test procedure 9 will help confirm this cause.

  4. 04

    Wiring harness fault between control board and motor

    Wiring / connection

    Damaged, corroded, or loose wiring connections in the circuit between the motor control board and the drive motor can interrupt the signal or power supply, causing the motor to run slowly or erratically.

  5. 05

    Mechanical obstruction in drum or drive assembly

    Part replacement

    A foreign object lodged in the drum, a seized bearing, or a damaged drive component can create physical resistance that prevents the motor from spinning at the correct speed. Inspect the drum for obstructions and check for unusual noise during rotation.

See the test procedure for each cause

Frequently asked questions about 55

What does 55 mean on a Electrolux washer?
Error code 55 indicates a motor under speed condition, meaning the drive motor is not reaching the rotational speed required by the control system. The washer detects this through real-time RPM monitoring and stops the cycle to protect the motor and other components. This code appears only on select Electrolux models and is not present on 300 series washers.
How do I fix error code 55 on my Electrolux washer?
Start by checking whether the load is too large or unevenly distributed inside the drum, as this is the most common cause. Redistribute the laundry, reduce the load size if needed, and restart the cycle. If the error returns with a normal load, the issue likely involves the drive motor, motor control board, or wiring, and diagnostic test procedure 9 should be followed to isolate the faulty component.
Is it safe to keep using my Electrolux washer when error code 55 appears?
It is not recommended to continue running the washer while error code 55 is active. Repeatedly forcing the machine to operate with a motor under speed condition can put additional stress on the drive motor and control board, potentially causing further damage. Address the root cause before resuming normal use.
Will resetting my Electrolux washer clear error code 55?
A reset may temporarily clear the code, but it will return if the underlying cause has not been resolved. If the fault is triggered by a load issue, correcting the load before restarting should prevent the code from coming back. If a component such as the motor or control board is faulty, the error will reappear once the washer attempts to run again.
How much does it cost to repair error code 55 on an Electrolux washer?
Repair costs vary depending on the root cause. If the issue is simply an overloaded drum, there is no parts cost involved. A replacement drive motor typically costs in the range of $100 to $250 for the part, while a motor control board can range from $150 to $350 or more, with labor adding to the total. Getting a diagnostic assessment first will help determine which component needs attention.

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