Error Code 16
Control board cannot talk to compressor power module
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 44
What This Means
Loose connector between MAIN PCB and inverter; Broken or corroded wire in communication cable; MAIN PCB malfunction; Inverter PCB malfunction; Cable short circuit
What actually causes this:
Communication wire disconnected or connector loose
First Thing to Check
Check connectors between control board and inverter board
Parts Involved
How to Fix
- 1
Verify connector between MAIN PCB and inverter is fully seated
- 2
Inspect communication wiring for damage or corrosion
- 3
Check connector pin contacts for bent or loose pins
- 4
Measure continuity on communication signal wires
- 5
Test with forced operation to see if error clears
This Error Applies To
Samsung RR39M73 Series Refrigerators
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Smart home WiFi connectivity lost