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Error code reference

Electrolux Washer Error Code EH2

Power supply voltage too high

Electrolux codesElectrolux washer codes

Power supply voltage too high - voltage value higher than ~270V for longer than 5 seconds.

First step from the service manual

Wait for nominal power supply conditions.

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

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What EH2 means on a Electrolux washer

The EH2 error code on an Electrolux washer indicates that the incoming power supply voltage has exceeded approximately 270 volts AC and has remained at that elevated level for more than 5 continuous seconds. The washer's control board constantly monitors line voltage as a protective measure, and when it detects voltage climbing beyond the safe operating threshold, it triggers this fault code and halts operation to prevent damage to sensitive electronic components and the motor drive system.

This fault is entirely related to the external power supply feeding the machine, not an internal component failure. The washer itself is functioning as designed by detecting an unsafe condition and shutting down. Overvoltage conditions can originate from utility grid irregularities, a failing utility transformer serving your neighborhood, faulty wiring in the home's electrical panel, or a neutral wire issue that can cause voltage to rise unpredictably on one leg of the supply circuit.

Because the root cause is upstream of the appliance, the first diagnostic step is to wait and allow the power supply to return to nominal voltage levels before attempting to restart the machine. If the error code recurs frequently or persists, a multimeter or plug-in voltage monitor should be used to measure the outlet voltage over time. Sustained readings above 270V require attention from a licensed electrician before the washer is operated again, as prolonged overvoltage can damage the control board, motor inverter, and other electronic components.

Source: manufacturer service documentation.

Common causes of EH2

  1. 01

    Utility grid voltage surge or irregularity

    Wiring / connection

    Temporary spikes or sustained high voltage from the power company can push line voltage above 270V. Check with neighbors to see if they are experiencing issues, and contact your utility provider if the problem is widespread.

  2. 02

    Failing or overloaded utility transformer

    Wiring / connection

    A neighborhood transformer that is aging or under unusual load conditions can deliver higher-than-rated voltage to homes it serves. A clamp meter or plug-in outlet monitor can confirm whether voltage at the wall outlet is consistently elevated.

  3. 03

    Loose or broken neutral wire in home wiring

    Wiring / connection

    A lost neutral connection at the electrical panel or service entrance can cause voltage imbalance, pushing one leg of the circuit significantly above 120V. This is a serious hazard that requires immediate attention from a licensed electrician.

  4. 04

    Faulty home electrical panel or wiring

    Wiring / connection

    Deteriorated wiring connections, a failing breaker, or panel issues can contribute to abnormal voltage levels reaching the outlet. An electrician should inspect the panel and branch circuit if no utility-side cause is found.

  5. 05

    Damaged control board misreading voltage

    Part replacement

    In rare cases, the washer's main control board may have a faulty voltage sensing circuit that triggers EH2 even when supply voltage is within normal range. This should only be considered after confirming with a meter that the outlet voltage is actually normal.

See the test procedure for each cause

Frequently asked questions about EH2

What does EH2 mean on a Electrolux washer?
EH2 means the washer detected that the incoming power supply voltage exceeded approximately 270 volts AC for more than 5 continuous seconds. This is a protective fault code that causes the machine to stop operating in order to protect its electronics and motor components. The issue originates from the electrical supply rather than an internal washer component. The machine must be connected to a properly regulated power supply before it can resume normal operation.
How do I fix the EH2 error on my Electrolux washer?
Start by waiting several minutes to allow the power supply voltage to return to normal levels, then try restarting the washer. If the error returns, use a multimeter or plug-in voltage monitor at the outlet to measure actual line voltage. If the reading is above 270V or fluctuating significantly, contact your utility provider and a licensed electrician before running the appliance again. Only after confirming normal voltage should you consider an internal component like the control board as a possible cause.
Is the EH2 error on an Electrolux washer dangerous?
The EH2 error itself means the washer is doing its job by shutting down to protect itself and your home from an overvoltage condition. However, the underlying cause, which is power supply voltage above 270V, can be hazardous to all appliances and electronics in your home. A lost neutral wire condition in particular is a serious electrical hazard. If the high voltage condition is confirmed, stop using all major appliances and contact an electrician promptly.
Will resetting my Electrolux washer clear the EH2 error code?
Unplugging the washer or cycling the power may temporarily clear the EH2 error code, but if the underlying voltage problem has not been corrected, the code will return as soon as the machine detects the overvoltage condition again. A reset alone does not fix the root cause. The power supply voltage must return to a safe, stable level for the error to clear and stay cleared.
How much does it cost to fix an EH2 error on an Electrolux washer?
If the cause is a utility grid issue, there may be no cost to you beyond the service call to the power company. If home wiring or panel work is needed, electrician fees typically range from $100 to $500 or more depending on the complexity of the repair. In rare cases where the washer's control board has been damaged by overvoltage or has a faulty voltage sensing circuit, control board replacement can range from $150 to $400 or more for parts and labor.

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