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
Other Error Codes for RF22R7351EF
Freezer temperature sensor is broken or disconnected
Outside temperature sensor is not working
Ice storage room temperature sensor is not working
Flex Zone damper heater circuit is broken
Refrigerator temperature sensor is broken or disconnected
Flex-Zone temperature sensor is broken or disconnected
Freezer fan motor is not running
Control board IO expander chip is not working