Washer shows F28; may not start or may freeze mid-cycle.

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

Loose or damaged wiring between CCU and user interface, failed user interface board, failed main control board

Safety First: Disconnect power before accessing controls.

Steps:

Access console: Remove the top panel and then the console screws to access the user interface (UI) board.
Reseat UI connectors: Unplug and reconnect the ribbon cable and harnesses between the UI and main control (CCU).
Inspect cables: Look for pinched or damaged ribbon cables. Replace if damaged.
Test: Reassemble and power on. If F28 persists, replace the user interface board first. If still present, replace the main control board.

Medium 3/5

User Interface Control Board

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