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19

Error 19 / CF-sensor — Chilled food compartment sensor issue

Samsung · Refrigerators

What does 19 mean?

This error indicates a problem with the main temperature sensor in the Chilled Food compartment (CF). Causes include wiring issues or the sensor detecting extreme temperatures outside the normal operating range (above 122F or below -58F).

Common Causes

  • Electric wire cut or short-circuit in sensor wiring
  • Contact failure or missing sensor housing
  • Defective temperature sensor in the Chilled Food compartment
  • sensor detection temperature not lower than 122F or higher than -58F

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the Refrigerator for 30 seconds to reset the system.

  2. 2

    Check the temperature inside the Chilled Food compartment; ensure it's not excessively hot or cold.

  3. 3

    If the error reoccurs, contact customer service.

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

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Source: Samsung Refrigerators
Open Manual (Page 10)Search more codes in this manual