Maytag Washer Error Code E26

E26 means the washer's main control board received a fault code from the Mitsubishi frequency inverter, which is the component that controls motor speed, but the code was not recognized by the control board's current software. This is considered an undefined inverter error. It can result from outdated washer firmware, a newly installed inverter with different firmware, or an actual hardware fault within the inverter itself.

It is not recommended to continue running the washer while E26 is active. Because the error originates from the motor inverter, the root cause could involve abnormal motor control behavior that may worsen with continued use. Stop using the washer and arrange for a diagnostic inspection before running additional cycles.

A power reset may temporarily clear the E26 display, but the error is likely to return if the underlying cause has not been addressed. Because the code indicates an unrecognized inverter fault, resetting the machine does not resolve the firmware mismatch or potential inverter hardware issue that triggered it. A proper repair requires a software update and, if necessary, component inspection or replacement.

The first step, a washer control board software update, typically requires a service technician who has access to Maytag's diagnostic tools and updated firmware files. Homeowners can check for loose or damaged wiring connections between the inverter and control board, but any firmware update or component replacement should be handled by a qualified technician. Contacting Maytag directly is also recommended, as they track this specific error code.

If the fix is a firmware update only, costs are typically limited to a service call fee, which can range from around $75 to $150 depending on your area. If the Mitsubishi frequency inverter needs to be replaced, total repair costs including parts and labor can range from $200 to $500 or more. A technician will need to diagnose the root cause before an accurate estimate can be provided.