Error Code TC1
The water temperature sensor is not reading correctly
Moderate
Address soon - your appliance may not work properly
Also displayed as: TC1
What This Means
Washing temperature sensor fault; Sensor connector disconnected or connected incorrectly; Main PCB fault; Freezing in the winter season
What actually causes this:
The temperature sensor wire came loose or the sensor itself failed
First Thing to Check
Unplug the washer for 60 seconds and restart — if the error comes back, it needs service
Parts Involved
How to Fix
- 1
1. Check the connections for the washing heater temperature sensor connector
- 2
2. Verify the connector is correctly and securely connected
- 3
3. If the washing heater temperature sensor has a functional error, replace it
- 4
4. In winter, check for frozen conditions affecting the sensor
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for WF45A6400AW
A button on the control panel is stuck or pressed in
The washer thinks the door is open
The small add-door on the front of the washer is open
The small add-door lock motor is not working correctly
The washer overheated and shut itself off for safety
The washer is filling with too much water and cannot stop
The washer is not filling with water
The washer is not getting the right amount of electrical power