Samsung Refrigerators2022–present

Error Code DAMPER-HEATER-ERROR

The drawer area damper anti-condensation heater has failed

Minor

Usually easy to fix - may resolve on its own

Also displayed as: Indicated via self-diagnosis on CN40

What This Means

Open damper heater element; Short circuit in heater wiring; Bad connector at CN40 pins 25 and 27

What actually causes this:

The small heater preventing moisture buildup around the drawer damper has failed; this can cause frost or condensation around the crisper area.

First Thing to Check

Measure resistance at CN40 pins 25 and 27 after unplugging the refrigerator.

Parts Involved

Mid Drawer Room Damper HeaterMAIN PCB connector CN40 pins 25 and 27

How to Fix

  1. 1

    Disconnect MAIN PCB CN40 connector

  2. 2

    Measure resistance between CN40-'25' ↔ '27': should be ~135Ω ± 7%

  3. 3

    0Ω = heater short; ∞Ω = heater or wire open

  4. 4

    Check MICOM #91 input voltage: 3.5V–4.8V when heater off; 0V when heater operating

This Error Applies To

Samsung RF25C5 Series Refrigerators (2022) (2022–present)

Service manual exact match: RF25C5151SR/AAService manual exact match: RF25C5151**Service manual exact match: RF25C5551**Service manual exact match: RF25C5551SR/AA

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