Error code reference

Samsung Refrigerator Error Code Flex Zone-Damper-Heater Error

Flex zone damper heater open error detected; caused by separation of damper heater housing part, contact…

Flex zone damper heater open error detected; caused by separation of damper heater housing part, contact error, disconnection, or short circuit.

First step from the service manual

After separating MAIN PCB CN77 wire, check resistance between Black and Brown wire; should be 135 ohm ±7%. 0 ohm = heater short, infinite = wire/bimetal open.

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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