How do I fix error code 25 on a Samsung refrigerators?

1. undefined: Separate Main PCB CN70 wire from PCB 2. undefined: Measure resistance between CN70-3 and CN80-1 should be 120(440) ohm ± 7% 3. undefined: Check for open or short circuit

Samsung Refrigerators2021–present

Error Code 25

Q: What does error code 25 mean on a Samsung refrigerators?

Refrigerator defrost heater not working Heater shorted (0 ohm); Heater wire open or bimetal open (infinity ohm); Bad PCB connection at CN70-3 and CN80-1

Refrigerator defrost heater not working

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: Error 25

What This Means

Heater shorted (0 ohm); Heater wire open or bimetal open (infinity ohm); Bad PCB connection at CN70-3 and CN80-1

What actually causes this:

Heater element burned out or bimetal thermostat failed

First Thing to Check

Confirm defrost cycle activates on schedule

Parts Involved

Refrigerator Defrost Heater (REF)Bimetal-ThermoMain PCB CN70

How to Fix

1
Separate Main PCB CN70 wire from PCB
2
Measure resistance between CN70-3 and CN80-1 should be 120(440) ohm ± 7%
3
Check for open or short circuit

This Error Applies To

Samsung RF262BEAES Series Refrigerators (2021) (2021–present)

Service manual exact match: RF262BEAESGService manual exact match: RF262BEAESR

Related Error Codes

Compressor drawing too much current

Compressor motor not turning

Input voltage too low

Input voltage too high

Display panel not communicating with main board

Refrigerator is too warm

Freezer temperature sensor not responding

Outside temperature sensor not responding

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