Washer displays F27, may overfill or stop with excessive water in drum.

Safety first: If the washer is overfilling, immediately unplug it and shut off both water supply valves to prevent flooding.

Step-by-step:

• Check water valves: With power off, turn water back on briefly. If water flows into the washer with no power, the inlet valve is stuck open and must be replaced.
• Inspect pressure hose: Ensure the hose from the tub air dome to the pressure switch is securely attached and not split or blocked.
• Test pressure switch: Verify the switch responds to pressure changes (per tech sheet). Replace if it does not change state.
• Control board: If valves and pressure system are good but the control continues to overfill, the control board may be defective.

When to call a technician: Overflow conditions can cause significant water damage. If you cannot quickly identify and correct the cause, contact a professional immediately.