Washer shows F70 and becomes unresponsive or freezes

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

Failed main control board, power supply instability, loose control connectors, user interface communication loss

Safety first: Unplug the washer before accessing the control area.

Step-by-step checks:

1. Power reset: Unplug the washer for 5–10 minutes, then plug back in and try to start a cycle.
2. Inspect control connections: Remove the top panel and reseat all connectors on the main control board.
3. Check for board damage: Look for burnt or cracked components on the CCU.

When to call a technician: Persistent F70 usually indicates a failing CCU that must be replaced.

Hard 4/5

Main Control Board (CCU)

Check Price on Amazon

We may earn a commission from links on this page.