⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Dryer Difficulty: Easy
Problem: Moisture sensor communication error or intermittent connection
How to Fix Dryer Error
- Unplug dryer and open door to locate moisture sensor bars inside drum opening.
- Clean sensor bars thoroughly with isopropyl alcohol to remove fabric softener residue.
- Remove front lower panel to access sensor wiring harness connection point.
- Trace harness from sensor bars to main control board—check for pinched wires near drum support or sharp edges.
- Disconnect harness at control board and inspect terminals for corrosion or bent pins.
- Clean terminals with electronic contact cleaner and reconnect firmly.
- Power on dryer and enter diagnostic mode (consult model-specific procedure).
- Run moisture sensor test—should show resistance change when wet cloth touches sensor bars.
- If no change detected after cleaning and reseating connections, replace moisture sensor assembly WPW
- Route new harness carefully avoiding pinch points and secure with wire ties away from moving parts.
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Recommended Replacement Part
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
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