Error Code HC1
The heating element is not warming the water properly
Moderate
Address soon - your appliance may not work properly
Also displayed as: HC1 (no display during normal operation)
What This Means
Heater element defective or burned out; Heater terminal improperly connected; Heater relay on Main PBA defective; Water level too low causing safety program to stop heater
What actually causes this:
The heating element burned out or has a loose connection
First Thing to Check
Check if your dishes feel cold after a cycle — if they do, the heater has likely failed
Parts Involved
How to Fix
- 1
1. Check and reconnect heater connectors
- 2
2. Measure heater resistance between both ends — normal: approximately 12.14 to 14.16 ohms. Can also check between red wire of Heater Relay and black/yellow wires of Power Relay
- 3
3. Disconnect circuit breaker or power cable before measuring resistance
- 4
4. Check heater relay connections on Main PBA — measure voltage between Red wire of Heater Relay on base and White wire of CN101 — normal: 110-120V while operating
- 5
5. Check drain hose installation — improper installation may cause water level to drop, triggering heater safety cutoff
- 6
6. Check thermistor — see tC check code procedure
- 7
7. If heater tests normal, replace Main PBA
This Error Applies To
Samsung DDW24M999U Series Dishwashers (2017) (2017–present)
Related Error Codes
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The water inside the dishwasher got dangerously hot
Water is leaking inside the base of the dishwasher
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The dishwasher's main computer board and display board cannot talk to each other
The motor controller board is not responding to the main computer
The water distribution vane that directs spray is not moving to the correct position
The dishwasher door is not fully closed