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 is out of order; Thermistor connector disconnected; Main PBA defect
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 dishes are not getting clean or hot, it likely needs service
Parts Involved
How to Fix
- 1
1. Check the connections for the Thermistor connector — reconnect
- 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 table: 5C=125.814k, 10C=98.360k, 15C=77.480k, 20C=61.477k, 25C=49.120k, 30C=39.510k, 35C=31.985k, 40C=26.053k, 45C=21.347k, 50C=17.590k, 55C=14.573k, 60C=12.136k, 65C=10.157k, 70C=8.541k ohms
- 4
4. If thermistor tests normal, replace Main PBA
This Error Applies To
Samsung DW80B7070A Series Dishwashers (2023) (2023–present)
Related Error Codes
The dishwasher is not getting enough water to run
The dishwasher cannot pump the dirty water out
The heating element is not warming the water properly
The water inside the dishwasher got dangerously hot
The hot air drying system is not heating up properly
The hot air drying system got dangerously overheated
The temperature sensor in the drying system is not reading correctly
A control panel button appears to be stuck or held down