Error code reference
Samsung Dishwasher Error Code HE1
High temperature heating error
High temperature heating error: Water temperature sensed above 176°F (80°C) for more than 3 seconds during operation, indicating possible shorted heater relay.
First step from the service manual
Check thermistor, Main PBA, or shorted heater relay.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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