Error Code HC
Your dryer isn't heating properly or is overheating
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: HC
What This Means
Thermistor malfunction; PCB malfunction; Restricted vent system causing excessive heat buildup; Heater element failure
What actually causes this:
Most often caused by a clogged exhaust vent that traps hot air inside the dryer, or the heating element has burned out.
First Thing to Check
Check your exhaust vent — disconnect it from the back of the dryer and look for lint buildup inside.
Parts Involved
How to Fix
- 1
1. Check the PCB and thermistor connections
- 2
2. Measure thermistor resistance: should be 10KΩ at 25°C (77°F)
- 3
3. Check exhaust vent system for restrictions or blockages
- 4
4. Check heater resistance: SINGLE heater — 9.2-9.6Ω between PIN 1-3
- 5
5. If resistance is infinity on heater, replace heater assembly
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for DV40J3000GW
The door switch isn't working properly
A button on the control panel is stuck or shorted
Your dryer's temperature sensor isn't reading correctly
The dryer's internal parts aren't communicating properly
The dryer thinks the door is open while running
Your dryer is getting the wrong voltage from the outlet
Your dryer is getting the wrong type of electrical power
The second temperature sensor is reading incorrectly