Error Code 25
Frost cannot be removed from refrigerator evaporator coil
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 25
What This Means
Defrost heater element open or shorted; Disconnected heater wires at CN70; Bimetal thermostat failure; PCB relay failure
What actually causes this:
Fridge defrost heater failed or wiring disconnected
First Thing to Check
Check the defrost heater connector is properly connected to the board
Parts Involved
How to Fix
- 1
Separate MAIN PCB CN70 wire from PCB
- 2
Measure resistance between CN70 White and CN72 Black (power off)
- 3
Expected: 120 ohm ±7% (variance due to input power)
- 4
0 ohm = heater short, infinite = open circuit
This Error Applies To
Samsung RF265BEA Series Refrigerators (2016) (2016–present)
Related Error Codes
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Freezer defrost cycle cannot detect when ice buildup has melted
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Cold air cannot circulate in freezer compartment