Samsung Refrigerators2016–present

Error Code 27

Damper door cannot regulate airflow between freezer and fridge

Moderate

Address soon - your appliance may not work properly

Also displayed as: 27

What This Means

Damper heater open or shorted; Disconnected heater wires at CN77; Heater element failure; Relay failure

What actually causes this:

Damper heater wiring loose or heater element burned out

First Thing to Check

Verify the damper heater connector is fully seated on the main board

Parts Involved

Damper Heater (DC 12V, control component)Main PCB connector CN77

How to Fix

  1. 1

    Separate MAIN PCB CN77 wire from PCB

  2. 2

    Measure resistance between CN77 Black and Brown wire (power off)

  3. 3

    Expected: 135 ohm ±7%

  4. 4

    0 ohm = short, infinite = open circuit

This Error Applies To

Samsung RF265BEA Series Refrigerators (2016) (2016–present)

Service manual exact match: RF265BEAService manual exact match: RF265

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