39 C Moderate Moderate DIY

Samsung Refrigerator 39 C — Ice Maker Communication / Sensor Error

Samsung Refrigerator · Error code 39 C

What 39 C Means

Companion to 39 E — typically indicates the main board has lost communication with the ice maker or its temperature sensor reads out of range.

Symptoms

  • Ice maker inactive
  • Display shows 39 C intermittently
  • Ice maker stuck mid-cycle

Common Causes

1
Ice maker thermistor failure

Sensor open or shorted — control can't tell when to harvest.

2
Loose ice maker harness

Connector partially unseated, especially after a freezer drawer service.

3
Failed ice maker control

Internal electronics in the ice maker assembly.

How to Fix It

  1. Unplug fridge for 5 minutes.
  2. Pull the ice bin and inspect the ice maker connector at the rear of the freezer cavity.
  3. Reseat the harness; inspect pins for corrosion.
  4. If error persists, replace the ice maker assembly (thermistor is integral on most models).
  5. If a new ice maker doesn't clear it, suspect the main PCB.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Ice maker assembly View on Amazon→

More Samsung Refrigerator Codes

21E 21E / 21C — Freezer Fan Fault 22 C 22 C — Fridge Fan Open Circuit 22E 22E / 22C — Fridge Fan Fault 33 E 33 E — Ice Pipe Heater Error 39 E 39 E — Ice Maker Function Error 40 E 40 E — Freezer Fan Error

All Samsung codes → All refrigerator codes →

Verified against manufacturer documentation: samsung.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.