tc
Moderate
Samsung · Dishwashers
Excessively hot water supply temperature error
Quick Answer
Error code tC on your Samsung Dishwashers means: Excessively hot water supply temperature error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check the temperature setting on your home water heater and reduce if above 120F.
2
Ensure the dishwasher is connected to a properly tempered water supply.
3
Run the hot water at the kitchen sink for 1-2 minutes before starting the dishwasher to flush overly hot water.
4
If the error persists, the thermistor or temperature sensor may need replacement.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Thermistor (temperature sensor)
Related Error Codes