Error Code 44
Main board and inverter board cannot communicate
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: Error 44
What This Means
Communication cable between Main PCB and Inverter PCB disconnected or damaged; Main PCB failed; Inverter PCB failed
What actually causes this:
The main control board and the inverter board that drives the compressor have lost their communication link, so the compressor will not run.
First Thing to Check
Unplug the refrigerator and check that the wiring harness between the main board and inverter board is fully connected.
Parts Involved
How to Fix
- 1
Inspect communication cable between Main PCB and Inverter PCB
- 2
Use oscilloscope to confirm signal on communication line
- 3
Replace Main PCB or Inverter PCB if cable is intact
This Error Applies To
Samsung RF23M85 Series Refrigerators (2017) (2017–present)
Related Error Codes
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Auto-fill water tank has detected an overflow
Refrigerator defrost sensor has failed or disconnected
Freezer defrost sensor has failed or lost connection
Freezer temperature sensor has failed or lost connection
Ambient room temperature sensor has failed