Error Code CSF
Compressor motor won't start
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: CSF LED blinks
What This Means
Short circuit between compressor terminals; IPM voltage too low; Short circuit on inverter PCB; Defective compressor; Failed inverter circuit
What actually causes this:
Inverter board failure or compressor motor defect
First Thing to Check
Unplug refrigerator for 5 minutes, then plug back in and try to start
Parts Involved
How to Fix
- 1
1. Check voltage at inverter (should be around 13.5V minimum)
- 2
2. Check for shorts between compressor terminals
- 3
3. Inspect IPM pins 1-33 for short circuits
- 4
4. Check inverter PCB solder joints for cold connections
- 5
5. Test compressor resistance and winding
This Error Applies To
Samsung RF22R7351 Series Refrigerators (2010) (2010–present)
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