Error Code HC1
The washer's heater got too hot and the safety shutoff activated
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: HC1
What This Means
Washing heater short-circuited or wire disconnected; Heater contact error or temperature sensor fault; Water level sensor operates without water (frozen or other reason); Temperature sensor at bottom detects overheating (100-150°C); PBA relay malfunction
What actually causes this:
The temperature sensor detected dangerously high heat — often from a stuck relay or empty tub with heater on
First Thing to Check
Unplug the washer immediately and let it cool down for at least 30 minutes before calling for service
Parts Involved
How to Fix
- 1
1. Check heater resistance between A and B — should be 16.05 Ohm ±0.65
- 2
2. Check wash-thermistor at back of tub
- 3
3. Check if water is frozen preventing proper water level detection
- 4
4. Check PBA relay operation
Other Error Codes for WF45K6500AV
The washer's motor controller lost communication with the main board
The washer's door lock mechanism isn't engaging properly
The washer's vibration sensor board has a problem
The washer's display screen lost communication with the main board
The washer's door relay module lost communication with the main board
Your washer can't tell how much water is inside the tub
Your washer isn't getting enough water to run the cycle
Your washer isn't getting enough electrical power