Error Code 41C
Main and panel boards are not communicating
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 41C
What This Means
Main PCB malfunction; Panel PCB malfunction; Cable connection problem; Faulty communication line
What actually causes this:
Main or panel PCB failure or loose connection
First Thing to Check
Check all connectors between main and panel are tight
Parts Involved
How to Fix
- 1
Check connector between Main and Panel PCB
- 2
Inspect cable for damage
- 3
Use oscilloscope to verify communication signals
- 4
Test both PCBs independently
Other Error Codes for RF28K9070AA
Fridge fan motor is not operating
Cool Select fan motor is not running
I/O Expander is not responding to main board
Freezer fan motor is not working
Compressor inverter is not communicating with main board
Fridge defrost sensor is not working
Freezer defrost sensor is not responding
Ice duct heater not working properly