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 resistance out of range; Restricted vent system causing excessive heat buildup; Heater malfunction; Thermostat failure; Clogged lint screen
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
- 2
2. Measure thermistor resistance: should be 10K ohms at 25C (77F)
- 3
3. Check thermostat 1 resistance: should be < 1 ohm (infinity means replace)
- 4
4. Check thermostat 2 resistance: should be < 1 ohm (infinity means replace)
- 5
5. Check thermostat 3 (thermal cut-off) resistance: should be < 1 ohm
- 6
6. Check heater resistance: SINGLE electric heater 10 ohms (PIN 1-3), DUAL gas heater 13 ohms (PIN 2-3)
- 7
7. Check exhaust vent system for restrictions or blockages
Other Error Codes for DVG45T3400V
The dryer thinks the door is open while running
The dryer's internal parts aren't communicating properly
Your dryer's temperature sensor isn't reading correctly
The dryer motor isn't spinning properly
Your dryer vent is about 80% blocked
A button on the control panel is stuck or shorted
Your dryer vent is clogged and needs cleaning
Your dryer vent is over 90% blocked — needs immediate cleaning