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Error code reference

Midea Washer Error Code E50/E58

Inverter module failure; unit will stop operation.

Inverter module failure; unit will stop operation.

First step from the service manual

Check inverter module and wire connections.

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 E50/E58 means on a Midea washer

The E50/E58 error code on a Midea washer indicates a failure within the inverter module, which is the electronic component responsible for controlling the variable-speed motor drive. The inverter module converts incoming AC power to a controlled DC output that regulates motor speed and torque throughout the wash, spin, and rinse cycles. When this module detects an internal fault or loses communication integrity, the washer halts all operation immediately to prevent damage to the motor or other downstream components.

The most common triggers for this fault include failed solder joints or damaged circuitry within the inverter board itself, as well as loose, corroded, or broken wire harness connections between the inverter module and the main control board or motor. Vibration from normal operation can loosen connectors over time, causing intermittent signal loss that registers as a module failure. Overheating of the inverter module due to poor ventilation or excessive load cycles can also degrade internal components and trigger this code.

Diagnosis begins with a thorough inspection of the inverter module and all associated wiring. Technicians should check for visible burn marks, swollen capacitors, or heat discoloration on the board, and verify that all connectors are fully seated and free of corrosion. If the wiring harness checks out and connections are secure, the inverter module itself is likely defective and will require replacement to restore operation.

Source: manufacturer service documentation.

Common causes of E50/E58

  1. 01

    Faulty or failed inverter module

    Part replacement

    The inverter board itself may have failed due to component degradation, power surge damage, or overheating. Visible signs include burn marks, swollen capacitors, or heat discoloration on the board surface.

  2. 02

    Loose or disconnected wire harness connections

    Wiring / connection

    Vibration during spin cycles can loosen the connectors between the inverter module, motor, and main control board. Inspect all plugs and terminals for secure seating and signs of corrosion or fraying.

  3. 03

    Corroded or damaged wiring

    Part replacement

    Moisture exposure or age can corrode the wire terminals connecting to the inverter module, interrupting signal communication. Check for green or white oxidation buildup at connector pins.

  4. 04

    Overheating of the inverter module

    Wiring / connection

    Restricted airflow around the inverter module or repeated heavy load cycles can cause thermal stress that triggers a fault condition. Check that the unit is properly ventilated and not installed in an enclosed space with poor air circulation.

  5. 05

    Main control board communication failure

    Part replacement

    If the main control board is not properly communicating with the inverter module, the washer may log this fault even if the inverter itself is intact. This is a less common cause and should be evaluated after ruling out wiring and inverter module issues.

See the test procedure for each cause

Frequently asked questions about E50/E58

What does E50/E58 mean on a Midea washer?
E50/E58 indicates a failure in the inverter module, the electronic component that controls motor speed and power delivery during the wash cycle. When this fault is detected, the washer stops all operation immediately. The issue can stem from a defective inverter board, faulty wiring connections, or communication problems between the module and the control board.
Can I fix E50/E58 on my Midea washer myself?
If you are comfortable with appliance repair, you can start by checking all wire harness connections to and from the inverter module for looseness or corrosion and reseating any disconnected plugs. If the wiring appears intact and the error persists, the inverter module itself likely needs replacement, which involves working with high-voltage components and is best handled by a qualified technician.
Is it safe to keep using my Midea washer when E50/E58 appears?
No, the washer is designed to stop operation when this code appears, and you should not attempt to bypass or override it. Continuing to run the machine with a faulty inverter module could damage the motor or other electrical components. Leave the washer unplugged until the issue is diagnosed and repaired.
Will resetting my Midea washer clear the E50/E58 error?
A power reset may temporarily clear the error display, but if the inverter module or its wiring connections are genuinely faulty, the code will return once the washer attempts to run. A reset alone does not fix the underlying hardware problem and should be used only as part of a diagnostic process, not as a repair solution.
How much does it cost to repair an E50/E58 error on a Midea washer?
Repair costs vary depending on whether the issue is a wiring connection or a full inverter module replacement. A wiring repair or connector fix may cost relatively little in labor, while inverter module replacement including parts and labor typically ranges from $150 to $350 or more depending on your region and service provider. Getting a diagnostic assessment before authorizing parts replacement is recommended.

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