Samsung Dishwashers2023–present

Error Code HC2

The hot air drying system is not heating up properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: HC2

What This Means

Drying Fan Motor failure; Drying Duct Temperature Sensor failure; Drying heater element failure; Main PBA defect

What actually causes this:

The drying heater element has failed or the temperature sensor for the drying system has gone bad

First Thing to Check

If your dishes are still wet after a full cycle, this drying heater may have failed

Parts Involved

Drying HeaterDrying Fan MotorDrying Duct Temperature SensorMain PBA

How to Fix

  1. 1

    1. Check the connection of the heater connector — reconnect

  2. 2

    2. Check that the heater coil is conducting — Normal: 65 ohms

  3. 3

    3. Check the connection of the heater relay — check voltage between No.5 of CN401 and No.3 of RY402. Normal: 120V during operation

  4. 4

    4. Check the driving signal of the heater relay (RY406) — When heater is off: 12V, when heater is running: 0V. If faulty, replace Main PBA. If normal, replace heater

  5. 5

    5. Check the thermistor (hot air) operation — refer to tC1 check

This Error Applies To

Samsung DW80B7070A Series Dishwashers (2023) (2023–present)

Service manual exact match: DW80BB707012AAService manual exact match: DW80B7070US/AAService manual exact match: DW80B7070UG/AAService manual exact match: DW80B7071US/AAService manual exact match: DW80B7071UG/AAService manual exact match: DW80B6060US/AAService manual exact match: DW80B6060UG/AAService manual exact match: DW80B7070AP/AC+2 more

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