Error Code HC
The water inside the dishwasher is dangerously hot
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: HC
What This Means
Heater is out of order; Thermistor is out of order and reading incorrectly; Main PBA heater relay stuck on
What actually causes this:
Your home's water heater is set too high, or the temperature sensor is giving a false reading
First Thing to Check
Check your water heater temperature setting — it should be 120 degrees F or lower
Parts Involved
How to Fix
- 1
1. Check the operation of the thermistor — see tC check code diagnostics
- 2
2. Check the Heater Relay — see HC1 check code diagnostics
This Error Applies To
Samsung DW80R706 Series Dishwashers (2019) (2019–present)
Related Error Codes
The main wash pump that sprays water onto your dishes is not working
The heating element is not warming the water during the wash cycle
The motor that directs water to different spray zones is not working properly
The touch buttons and the control board inside the door cannot communicate
The main control board and the motor control board cannot communicate
The drying fan is not spinning fast enough to dry your dishes
The dishwasher door was opened during the setup process
The power supply to the dishwasher is not stable