Error Code TC1
The water temperature sensor is giving incorrect readings
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: TC1
What This Means
Washing temperature sensor fault; Connector connected incorrectly or disconnected; Main PCB fault; Heater sensor abnormality detecting incorrect temperatures
What actually causes this:
The temperature sensor wire came loose from its connector or the sensor itself failed
First Thing to Check
Unplug the washer for 60 seconds and plug it back in — if the error returns, the sensor needs replacement
Parts Involved
How to Fix
- 1
1. Check the connections for the washing heater temperature sensor connector
- 2
2. Check the washing temperature sensor resistance (normal at room temperature: 12 kilo-ohms)
- 3
3. If the heater sensor connector is incorrectly connected, reconnect it
- 4
4. If the sensor is faulty, replace it
- 5
5. If the main PBA is faulty, replace it
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung WF45R6100A Series Washers (2024) (2024–present)
Related Error Codes
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The washer detects the door opening while running
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The washer has too much water in the tub and is overflowing