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Error code reference

Electrolux Washer Error Code E5H

Input voltage is lower than 175 V; defective inverter board or wiring problem.

Electrolux codesElectrolux washer codes

Input voltage is lower than 175 V; defective inverter board or wiring problem.

First step from the service manual

Check if the connectors of main control board and inverter board are properly inserted.

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

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  • Wiring diagram references and connector pinouts from the OEM service manual
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What E5H means on a Electrolux washer

The E5H error code on an Electrolux washer indicates that the input voltage supplied to the machine has dropped below 175 volts. The washer continuously monitors incoming line voltage, and when the inverter board detects a sustained low-voltage condition, it triggers this fault to protect the motor and other sensitive electronics from operating outside safe parameters. This is fundamentally a power supply or power delivery issue at the hardware level.

The inverter board is the component responsible for converting incoming AC power and controlling the drive motor speed. When voltage falls below the 175 V threshold, the inverter board cannot reliably regulate motor operation and will shut down the cycle. The fault can originate from an actual low-voltage supply from the utility, but it can also appear when there is a wiring problem between the main control board and the inverter board, or when connector pins are not fully seated, causing the voltage signal to read incorrectly.

Before assuming a component failure, the first diagnostic step is to inspect the connectors between the main control board and the inverter board. Loose, corroded, or improperly seated connectors can produce false low-voltage readings or interrupt communication between the boards entirely. If connectors are intact and seated correctly, the next step is to verify the actual incoming line voltage at the outlet. If line voltage is confirmed to be adequate, the inverter board itself may be defective and require replacement.

Source: manufacturer service documentation.

Common causes of E5H

  1. 01

    Loose or improperly seated connectors

    Wiring / connection

    Connectors between the main control board and the inverter board can become loose over time due to vibration. Inspect both ends of the harness connecting these two boards and press each connector firmly into place until it clicks.

  2. 02

    Low incoming line voltage

    Wiring / connection

    If the actual supply voltage from the wall outlet or home electrical panel has dropped below 175 V, the washer will trigger E5H. Use a multimeter to measure voltage at the outlet while the washer is running to confirm adequate supply.

  3. 03

    Damaged or corroded wiring harness

    Part replacement

    Wiring between the main control board and inverter board can develop breaks, burns, or corrosion at connector pins, causing intermittent or incorrect voltage signals. Visually inspect the harness for damaged insulation, burnt spots, or corrosion at the terminals.

  4. 04

    Defective inverter board

    Part replacement

    If connections and line voltage check out correctly, the inverter board itself may have failed internally and is either misreading voltage or not functioning properly. A faulty inverter board will need to be replaced.

  5. 05

    Faulty main control board

    Part replacement

    In less common cases, the main control board may be sending incorrect signals or failing to communicate properly with the inverter board, triggering a false E5H fault. This is typically only diagnosed after other causes have been ruled out.

See the test procedure for each cause

Frequently asked questions about E5H

What does E5H mean on a Electrolux washer?
E5H means the washer has detected that input voltage has dropped below 175 volts, which is too low for safe operation. The fault is tied to the inverter board, which monitors incoming power and controls the drive motor. The code can be caused by a genuine low-voltage supply from the utility, loose internal connectors, damaged wiring, or a defective inverter board. The washer stops the cycle automatically to prevent damage to the motor and electronics.
How do I fix the E5H error code on my Electrolux washer?
Start by checking the connectors between the main control board and the inverter board to make sure they are fully and firmly seated. Next, use a multimeter to verify that the wall outlet is supplying adequate voltage above 175 V. If connections and supply voltage are both good, inspect the wiring harness for damage or corrosion. If no wiring or connection issues are found, the inverter board may need to be replaced.
Is it safe to keep using my washer when the E5H code is showing?
No, you should not continue running the washer while the E5H code is active. Operating the machine with insufficient voltage can damage the drive motor, the inverter board, and other electronic components. The washer stops the cycle automatically as a protective measure, and it should remain out of service until the voltage or wiring issue is properly diagnosed and resolved.
Will resetting my Electrolux washer clear the E5H error code?
A reset may temporarily clear the code, but E5H will return if the underlying cause has not been fixed. If the problem is a persistent low-voltage supply from the utility or a hardware fault such as a damaged wiring harness or a defective inverter board, resetting the machine will not resolve it. Address the root cause first before attempting to clear the fault.
How much does it cost to repair an E5H error on an Electrolux washer?
Repair costs vary depending on the cause. If the fix is simply reseating a connector, there is no parts cost and only a service call fee if a technician is used. Wiring harness repairs typically range from moderate to moderately expensive in labor and parts. Replacing an inverter board is generally the most costly repair associated with this code, with parts and labor combined often ranging from $150 to $400 or more depending on the model and service provider.

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