Error code reference

Samsung Refrigerator Error Code Freezer 1st digit b

Damper heater error

Damper heater error - damper heater sensed as open due to connector slipped-out, open-contact, or wire cut.

First step from the service manual

Unplug MAIN PCB CN90 and check resistance between #1 (BLACK) and #2 (BROWN); should read 140~160 ohm.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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