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1 flashing bar (3rd from bottom on left)

1 flashing bar (3rd from bottom, left) - No temperature control, constant compressor run

Samsung · Refrigerators

What does 1 flashing bar (3rd from bottom on left) mean?

The front display panel shows a single flashing bar, specifically the third one from the bottom on the left side. Concurrently, the compressor and condenser fan run constantly, but there is no effective temperature control in the Refrigerator.

Common Causes

  • Faulty temperature sensor (thermistor)
  • Control board malfunction (even after replacement)
  • Refrigerant issue (low charge or leak)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the Refrigerator for at least 15-20 minutes to attempt a complete system reset.

  2. 2

    Plug the Refrigerator back in and observe if the flashing bar disappears and temperature control returns.

  3. 3

    Ensure all Refrigerator doors are sealing properly to prevent warm air entry, which can cause constant running.

  4. 4

    If the issue persists, a licensed technician should diagnose refrigerant levels and sensor functionality.

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

Related Faults

#5 IM Function error#5 IM Function error - Ice maker malfunction1Error 1 / I/M-sensor — Ice maker compartment sensor issue1 and 5Error 1 and 5 - Ice maker removed, causing codes and operational issues
Source: Samsung Refrigerators
Open Manual (Page 40)Search more codes in this manual