Error Code HC1
The heating element isn't warming the water properly
Moderate
Address soon - your appliance may not work properly
Also displayed as: No display (silent)
What This Means
The heater is out of order; The heater is improperly connected; The Main PBA heater relay is defective
What actually causes this:
The heating element is failing or a wire connection came loose
First Thing to Check
Check if your dishes feel cold after a cycle — if so, the heater has failed
Parts Involved
How to Fix
- 1
1. Check and reconnect the heater connectors
- 2
2. Measure heater resistance between both ends — normal: approximately 13.5 Ohm
- 3
3. Check the heater relay on the Main PBA
- 4
4. Check voltage at heater relay — normal: 120V while operating
- 5
5. If heater tests normal, replace Main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for DW80K7050US
The dishwasher has repeatedly failed to drain the water
The control panel's buttons can't communicate with the control board
Water is leaking inside the base of the dishwasher
Too much water detected inside the dishwasher
The dishwasher isn't getting enough water
The dishwasher is having trouble draining water out
The water distribution motor can't find its correct position
The water temperature sensor isn't reading correctly