Error Code 41E
Main and panel microcontroller communication failure
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 41E (PC Er)
What This Means
No response within 10 seconds from Panel MICOM; Wire disconnection or short in communication line; Defective Main or Panel PCB
What actually causes this:
Wiring vibrates loose, water corrodes connector, or PCB solder joint cracks
First Thing to Check
Check the wiring harness between Main PCB and Display Panel for loose connectors
Parts Involved
How to Fix
- 1
Check wire harness between Main and Panel PCB
- 2
Verify connector seating at both ends
- 3
Check for water penetration in connectors
- 4
Oscilloscope required to verify signal integrity
- 5
Replace PCB if wiring is confirmed good
This Error Applies To
Samsung RS22HDHPN Series Refrigerators (2013) (2013–present)
Related Error Codes
Freezer temperature critically high
Compressor drawing excessive or abnormal current
Freezer fan motor failure or feedback signal issue
Freezer defrost sensor failure
Freezer sensor failure or wiring issue
Humidity sensor failure
Fridge defrost heater malfunction or sensor failure
Condenser fan motor failure or feedback signal issue