Error Code 81
The compressor won't start up
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 81
What This Means
Inverter PCB soldering defect or cold solder joints; Short circuit in inverter power stage; DC voltage output less than 13.5V; Compressor motor defective or locked; Refrigerant cycle failure
What actually causes this:
The compressor motor is locked, the inverter is broken, or there's a power delivery problem
First Thing to Check
Turn off the refrigerator, wait 5 minutes, and turn it back on to reset the compressor
Parts Involved
How to Fix
- 1
1. Check soldering status of inverter PCB for cold solder joints
- 2
2. Check for any short-circuited components on inverter
- 3
3. Measure DC 16V output from inverter — normal: 13.5V or higher
- 4
4. Verify compressor winding is not shorted or open
- 5
5. Check refrigerant cycle for blockage
This Error Applies To
Samsung DRZ18980R Series Refrigerators (2017) (2017–present)
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