Washer displays F31, may not spin or may have unbalanced load issues.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Faulty motor control board, defective motor tachometer, loose motor harness, overloaded or unbalanced load

Safety first: Unplug the washer before accessing the rear panel.

Step-by-step:

Correct load: Remove some items if the drum is overfilled. Redistribute heavy items evenly.
Inspect harness: Check the wiring between motor and control for secure connections.
Test motor/tach: Use the tech sheet to verify motor and tachometer resistance values.
Check control: If motor and wiring are good, the motor control or main control may be faulty.

When to call a technician: Speed sensing and control issues usually require professional diagnosis.

Professional Required 5/5

Motor Control Board (MCU)

Check Price on Amazon

We may earn a commission from links on this page.