How do I fix error code AMBIENT-SENSOR on a Samsung refrigerators?

1. undefined: Measure voltage at MAIN PCB CN60-'3' '5': should be between 1.0V and 4.5V 2. undefined: Disconnect CN60 and measure resistance at CN60-'5' ↔ '3' 3. undefined: Check soldering at R228 (IC01 MICOM #12)

Samsung Refrigerators2022–present

Error Code AMBIENT-SENSOR

Q: What does error code AMBIENT-SENSOR mean on a Samsung refrigerators?

External ambient temperature sensor is faulty Bad connector at CN60 pins 3 and 5; Open or short in ambient sensor wiring; Failed thermistor; PCB solder defect at R228

External ambient temperature sensor is faulty

Minor

Usually easy to fix - may resolve on its own

Also displayed as: Indicated via self-diagnosis

What This Means

Bad connector at CN60 pins 3 and 5; Open or short in ambient sensor wiring; Failed thermistor; PCB solder defect at R228

What actually causes this:

The sensor reading room temperature has failed, which can cause the fridge to run fans at wrong speeds or not respond to ambient heat properly.

First Thing to Check

Check the connector at CN60 and reseat it firmly.

Parts Involved

Ambient thermistorMAIN PCB connector CN60 pins 3 and 5Resistor R228

How to Fix

1
Measure voltage at MAIN PCB CN60-'3' <-> '5': should be between 1.0V and 4.5V
2
Disconnect CN60 and measure resistance at CN60-'5' ↔ '3'
3
Check soldering at R228 (IC01 MICOM #12)

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