Error Code tC
The water temperature sensor is not reading correctly
Moderate
Address soon - your appliance may not work properly
Also displayed as: No display
What This Means
Thermistor connector disconnected; Thermistor defective (open circuit or shorted); Main PBA defect; Wiring harness damage between thermistor and Main PBA
What actually causes this:
The temperature sensor wire came loose or the sensor itself went bad
First Thing to Check
Turn off the dishwasher, wait 30 seconds, and restart — if the error persists, it needs service
Parts Involved
How to Fix
- 1
1. Check the connections for the thermistor connector — reconnect if loose
- 2
2. Measure the voltage between both ends of the thermistor — Normal: 0.05V to 4.95V
- 3
3. Measure the resistance between both ends of the thermistor (remove connector before measuring) — Reference: at 25 degrees C = 49.12 k-ohms, at 50 degrees C = 17.59 k-ohms
- 4
4. If thermistor tests normal, replace Main PBA
This Error Applies To
Samsung DW80R706 Series Dishwashers (2019) (2019–present)
Related Error Codes
The heating element is not warming the water during the wash cycle
The main wash pump that sprays water onto your dishes is not working
The touch buttons and the control board inside the door cannot communicate
The water inside the dishwasher is dangerously hot
The motor that directs water to different spray zones is not working properly
The main control board and the motor control board cannot communicate
The drying fan is not spinning fast enough to dry your dishes
The power supply to the dishwasher is not stable