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Error Code Reference

KitchenAid Washer Error Code FdU

The FdU error code indicates a flood detection or water level sensor malfunction in your KitchenAid washer. This error means the washer has detected unexpected water accumulation or cannot properly measure water levels during the wash cycle.

Technical Advisory
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Signs

What you may observe

• Washer stops mid-cycle and displays FdU error code • Water drains unexpectedly from the tub • Washer fills with excessive water beyond normal levels • Water leaks visible inside or around the washer cabinet • Cycle will not complete or advance to next stage • Water pooling in the bottom of the washer drum • Musty or moldy odors from standing water • Control panel becomes unresponsive after error appears

Possible Causes

Root causes behind this error

• Clogged or kinked drain hose restricting water flow • Faulty water level sensor or pressure switch malfunction • Cracked or leaking water inlet valve • Damaged door or lid seal causing water to escape • Excessive detergent creating overflow during wash cycle • Clogged drain pump filter trapping debris • Failed water inlet solenoid valve on 120V supply • Malfunctioning float switch in water level sensing system • Cracks in washer tub or internal water pathways • Control board circuit failure affecting sensor readings

Safety Checks You Can Do

Steps you can try at home safely

• Turn off the washer and unplug it from the 120V electrical outlet for 60 seconds, then plug back in to reset the control board • Check your home's circuit breaker panel to ensure the washer circuit breaker is in the ON position; flip it OFF then back ON if tripped • Verify the washer door or lid closes completely and latches securely with an audible click • Inspect the drain hose behind the washer for kinks, twists, or pinches; straighten if needed and ensure it drains into a standpipe or sink without restriction • Check both hot and cold water supply valves behind the washer are fully turned on (turned counterclockwise) • Remove and inspect the drain pump filter (usually located at the bottom front behind a panel) for lint, coins, or debris causing blockage • Reduce the size of laundry loads to prevent overflowing during the wash and rinse cycles • Use the correct amount of detergent according to load size and water hardness; excess detergent can cause overflow • Clean the rubber door or lid gasket/seal for mold, debris, or visible cracks that allow water to leak out • Review the washer's cycle settings to ensure you selected the appropriate water level setting for your load • Run a test cycle with no clothes to determine if error recurs • Ensure the washer is level on the floor using a bubble level to prevent water from pooling • If error persists after these checks, contact a certified KitchenAid service technician or call 1-800-422-1230 for USA support
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