Error Code 40
Ice storage compartment cannot maintain proper temperature for ice storage
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 40
What This Means
Loose fan motor connector at CN76-2; Motor winding open circuit; Motor bearing failure; Inverter PCB power failure
What actually causes this:
Ice room fan connector loose or fan motor failed
First Thing to Check
Check that the ice room fan motor connector is fully seated
Parts Involved
How to Fix
- 1
Check voltage at MAIN PCB CN76-2 to CN76-1
- 2
Expected voltage: 7V to 12V DC
- 3
Verify connector is fully seated
- 4
Listen for fan operation in ice room
This Error Applies To
Samsung RF265BEA Series Refrigerators (2016) (2016–present)
Related Error Codes
Freezer defrost cycle cannot detect when ice buildup has melted
Compressor motor is not spinning and cooling system cannot function
Refrigerator defrost cycle cannot detect when ice has melted
Ice storage compartment temperature cannot be monitored
Compressor cannot receive control signals and may not operate
Freezer is warmer than it should be and food may spoil
Compressor cannot operate due to power delivery system fault
Refrigerator voltage is too high and internal components may be damaged