⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: Dryer Difficulty: Moderate
Problem: Heater sub-code HC2: Short circuit in thermistor causing incorrect temperature readings
How to Fix Dryer Error
- UNPLUG dryer from electrical power.
- Remove rear access panel to access blower housing assembly.
- Locate exhaust thermistor mounted on blower housing. Disconnect wiring harness.
- Measure resistance across thermistor terminals with multimeter at room temperature. Expected value: approximately 10kΩ.
- If resistance reads near zero ohms (shorted) or fluctuates erratically, replace sensor.
- Remove mounting screw securing thermistor. Gently extract sensor from housing well.
- Clean mounting well with isopropyl alcohol. Apply thermal conductive paste to tip of new sensor.
- Install new thermistor using OEM part DC34-00040A. Secure mounting screw to 6 in-lbs torque. Route wiring away from heat sources.
- Reconnect harness. Reassemble panels. Restore power and run timed dry cycle while verifying temperature display updates smoothly and accurately.
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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