Error Code CSD
Compressor power control chip is overheating or has failed
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: CSD LED blinks
What This Means
Inverter PCB solder defect; Short circuit on inverter board; DC 15V supply below 13.5V; Compressor mechanical problem
What actually causes this:
Inverter board overheating or power supply failure
First Thing to Check
Let refrigerator cool down for 30 minutes and try again
Parts Involved
How to Fix
- 1
1. Allow inverter to cool for several minutes
- 2
2. Check DC 15V output voltage (must be above 13.5V)
- 3
3. Inspect inverter PCB for short circuits
- 4
4. Check soldering quality around IPM chip
Other Error Codes for RF22R7351EU
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