Error Code HC1
The heating element is not warming the water during the wash cycle
Moderate
Address soon - your appliance may not work properly
Also displayed as: No display
What This Means
Heater is out of order; Heater is improperly connected; Heater element burned out or open circuit; Main PBA heater relay defective; Low water level causing safety program to prevent heater operation
What actually causes this:
The heating element burned out or a wire connection came loose
First Thing to Check
Check if your dishes feel cold after a cycle — if so, the heater has likely failed
Parts Involved
How to Fix
- 1
1. Check the connections of the heater connectors — reconnect if loose
- 2
2. Check the resistance between both ends of the heater directly, or check resistance between red wire of Heater Relay and black and yellow wires of Power Relay — Normal: approx. 12.14 to 14.16 ohms (check after disconnecting circuit breaker or power cable)
- 3
3. Check the connections of the Heater Relay in Main PBA — check voltage between Red wire of Heater Relay on the base and Red wire of CN101 connector — Normal: 110-120V while operating
- 4
4. Check drain hose installation condition — if water level is low in tub during heater operation, the safety program prevents heating
- 5
5. Check thermistor operation — see tC check code diagnostics
- 6
6. If heater tests normal, replace Main PBA
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 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 water inside the dishwasher is dangerously hot
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