Error Code tC1
The temperature sensor in the drying system is not reading correctly
Moderate
Address soon - your appliance may not work properly
Also displayed as: tC1
What This Means
Drying Duct Temperature Sensor failure; Wiring malfunction or damage; Main PBA defect
What actually causes this:
The sensor that monitors hot air temperature during drying has failed or its wiring is damaged
First Thing to Check
If your dishes are still wet or the drying cycle seems off, this sensor may need attention
Parts Involved
How to Fix
- 1
1. Check the connections for the Thermistor connector — reconnect
- 2
2. Check the voltage between No. 1 and GND of Main PBA CN501 — Normal: 0.06V to 4.8V
- 3
3. Measure the resistance between both ends of the Thermistor (remove connector before measuring) — reference table: 5C=128.65k, 10C=100.41k, 15C=79.00k, 20C=62.26k, 25C=50.00k, 30C=40.16k, 35C=32.47k, 40C=26.44k, 45C=21.66k, 50C=17.86k, 55C=14.74k, 60C=12.21k, 65C=10.16k, 70C=8.48k ohms
- 4
4. Check for wiring malfunction or damage — replace wiring if faulty
- 5
5. 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 water temperature sensor is not reading correctly
A control panel button appears to be stuck or held down