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 RF22K938AA
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