Error Code 44C
Compressor inverter is not communicating with main board
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 44C
What This Means
Inverter PCB malfunction; Main PCB malfunction; Cable connection problem; Communication line failure
What actually causes this:
Inverter PCB failure or loose cable
First Thing to Check
Check cable connection between main and inverter
Parts Involved
How to Fix
- 1
Check cable connections between Main and Inverter
- 2
Inspect PCB solder joints
- 3
Verify with oscilloscope
- 4
Check for short-circuits on PCB
Other Error Codes for RF22K938AA
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