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Room Lamp Off

Refrigerator Room Lamp does not light up

Samsung · Refrigerators

What does Room Lamp Off mean?

The interior light in the Refrigerator or freezer compartment is not turning on when the door is opened. This indicates a problem with the lamp itself, its connections, or the control system.

Common Causes

  • Faulty LED lamp (Refrigerator or vegetable lamp)
  • Problem with the door switch (REED S/W) or magnet assembly
  • Loose or improperly inserted connector (CN40, CN20) on the main PCB
  • Wiring problem to the lamp or door switch
  • Main PCB malfunction

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the Refrigerator door is fully closed and then opened again to confirm the light should activate.

  2. 2

    Gently check the area around the door for any obstructions that might prevent the door switch from sensing properly.

  3. 3

    If comfortable, unplug the Refrigerator, then carefully check and re-insert all visible connectors on the main PCB (such as CN40, CN20) to ensure they are snug.

  4. 4

    If the lamp still doesn't light up, the LED lamp itself may need replacement.

  5. 5

    If the issue persists after checking connections and the lamp, contact service for diagnosis of the door switch or main PCB.

Browse all codes in this manual (117)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Samsung Refrigerators
Open Manual (Page 94)Search more codes in this manual