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

1. undefined: Check MAIN PCB CN30 connector is properly inserted 2. undefined: Measure voltage between MAIN PCB CN30 pin 10 and pin 12 3. undefined: Voltage should be within 4.5V to 0.5V 4. undefined: Replace sensor if out of range and connectors are verified good

Samsung Refrigerators2021–present

Error Code FLEX-SENSOR

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

Flex Crisper zone temperature sensor is open or shorted Connector slipped out or poor contact; Wire cut or short circuit; Abnormal sensing temperature; Defective thermistor

Flex Crisper zone temperature sensor is open or shorted

Moderate

Address soon - your appliance may not work properly

Also displayed as: Meat/Fish LED Lamp blinking

What This Means

Connector slipped out or poor contact; Wire cut or short circuit; Abnormal sensing temperature; Defective thermistor

What actually causes this:

Disconnected or failed Flex Zone thermistor

First Thing to Check

Measure voltage at CN30 pins 10 and 12

Parts Involved

Flex Zone Sensor Thermistor 502ATCN30 connectorMAIN PCB

How to Fix

1
Check MAIN PCB CN30 connector is properly inserted
2
Measure voltage between MAIN PCB CN30 pin 10 and pin 12
3
Voltage should be within 4.5V to 0.5V
4
Replace sensor if out of range and connectors are verified good

This Error Applies To

Samsung RT Series Refrigerators (2021) (2021–present)

Service manual exact match: RT16A6195**Service manual exact match: RT48A668***Service manual exact match: RT48A6004**Service manual exact match: RT16A610***Service manual exact match: RT16AService manual exact match: RT48A*Service manual exact match: RT48A683F**Service manual exact match: RT16A619***+2 more