⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Dishwasher Difficulty: Moderate
Problem: Heating temperature sensor fault; thermistor open/shorted or out of range during heat cycle
How to Fix Dishwasher Error
- Unplug dishwasher and allow 20 minutes for components to cool.
- Remove lower access panel to access heater assembly and thermistor.
- Locate thermistor mounted on heater housing or tub wall near heating element. Disconnect wiring harness.
- Measure resistance across thermistor terminals with multimeter at room temperature. Expected: ~10kΩ at 77°F.
- If reading is infinite (open), near zero (shorted), or deviates >15% from specification: remove mounting screw.
- Gently extract thermistor from mounting well. Clean well with isopropyl alcohol.
- Apply thermal conductive paste to tip of new sensor.
- Install replacement thermistor using OEM part DD31-00003A. Secure mounting screw to 4 in-lbs torque.
- Reconnect wiring harness firmly. Reinstall access panel.
- Restore power. Run Sanitize cycle while monitoring temperature display for smooth, accurate readings.
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.
⚡ Don’t Risk a DIY Fail!
Get the ‘Secret Service Mode’ Cheat Sheet for your Samsung model. Includes an easy-to-read list of every error code and quick diagnostic tips.
✅ Join 15,000+ DIYers • Instant PDF Download
Browse More Codes
📖 View All Error Codes
Most DIY parts are $50–$250. If you have a quote, use the total.
More options (for a better recommendation)
Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →
Leave a Reply