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Error Code Reference

KitchenAid Dryer Error Code F23

Error code F23 indicates a humidity sensor or moisture detection circuit malfunction in your KitchenAid dryer. This error prevents the dryer from accurately detecting when clothes are dry, which can affect cycle completion and drying performance.

Technical Advisory
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Signs

What you may observe

• Dryer cycles stop prematurely or run longer than expected • Clothes remain damp or wet after completing a cycle • Dryer shuts off mid-cycle unexpectedly • Error code F23 displayed on control panel • Moisture sensor light may blink or flash • Dryer may not start or respond to cycle selections • Audible beeping or alert sounds from the unit

Possible Causes

Root causes behind this error

• Defective humidity/moisture sensor element • Loose or corroded sensor wiring connections • Sensor contacts fouled by lint or fabric softener residue • Faulty humidity sensor control board or circuit • Damaged sensor probe or sensing pins • Moisture detection circuit failure in main control board • Improper 240V power supply to sensor circuitry • Malfunctioning thermal fuse affecting sensor operation

Safety Checks You Can Do

Steps you can try at home safely

• Check that your dryer is receiving proper 240V power by verifying the circuit breaker hasn't tripped; reset if necessary • Ensure the dryer door is fully closed and latching properly with no obstructions • Clean the moisture sensor located inside the dryer drum by gently wiping with a soft, dry cloth to remove lint or buildup • Inspect and clean the lint filter thoroughly, then check the exhaust vent outside for blockages or lint accumulation • Verify all dryer settings are correctly selected for your desired cycle • Allow the dryer to cool for at least 30 minutes before attempting to run another cycle • Perform a complete reset by turning off the circuit breaker for 60 seconds, then turning it back on and attempting a test cycle • Check that the dryer vent hose is not kinked, crushed, or disconnected from the rear of the unit or wall vent
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