Error Code HC
The water inside the dishwasher got 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; Heater relay stuck on
What actually causes this:
The temperature sensor is reading incorrectly or the heater did not shut off when it should have
First Thing to Check
Turn off the dishwasher at the breaker and let it cool down — do not open the door while steam is present
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 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 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
The temperature sensor in the drying system is not reading correctly
A control panel button appears to be stuck or held down