Error Code tC
The water temperature sensor isn't reading correctly
Moderate
Address soon - your appliance may not work properly
Also displayed as: tC (no display during operation)
What This Means
Thermistor is out of order; Thermistor connector disconnected; Thermistor wiring harness damaged; 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 keep coming out cold or the error persists, it needs service
Parts Involved
How to Fix
- 1
1. Check and reconnect the thermistor connector
- 2
2. Measure voltage between both ends of the thermistor — normal range: 0.2V to 4.5V
- 3
3. Measure resistance between both ends of thermistor (disconnect first). Reference: at 25 degrees C (77 degrees F) = 49.12 kOhm, at 50 degrees C (122 degrees F) = 17.60 kOhm
- 4
4. If thermistor tests normal, replace Main PBA
This Error Applies To
Samsung DW80K5050U Series Dishwashers (2020) (2020–present)
Related Error Codes
The dishwasher's control boards can't talk to each other
The dishwasher isn't getting enough water
The dishwasher can't drain the water out
The incoming water is too hot for safe operation
The heating element isn't warming the water
Water is leaking inside the base of the dishwasher
Too much water detected inside the dishwasher
A control panel button appears to be stuck