Error Code 16
Control signal communication lost between main board and compressor inverter
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 44 (RR39/RR14/RZ32/RZ11/RQ32)
What This Means
Compressor wiring connection loose; Compressor connector pin corrosion; Serial communication signal loss; Main PCB communication circuit failure; Inverter board communication module fault
What actually causes this:
The wire connecting the main control board to the compressor inverter board became loose, corroded, or severed
First Thing to Check
Trace the wiring from the main board to the inverter board and verify all connectors are fully seated
Parts Involved
How to Fix
- 1
Inspect all compressor wiring connections
- 2
Check for corrosion on connector pins
- 3
Test communication signal continuity
- 4
Verify PCB connector seating
This Error Applies To
Samsung RR39T74 Series Refrigerators
Related Error Codes
Room temperature sensor circuit failure detected
Exterior room temperature sensor circuit failure
Freezer defrost heater approaching shutdown failure within 5 minutes
Compressor motor drawing excessive current indicating short or mechanical jam
Inverter power module temperature exceeded safe limit and shut down
Defrost cycle temperature sensor circuit failure
Freezer defrost heater circuit malfunction or stuck heater
Compressor power control IC fault or compressor winding fault detected