Error code
9CA1
Meaning
The compressor is getting incorrect voltage
Critical
What to do
Why this happens
Possible causes include an under-voltage or over-voltage condition at the power supply, voltage drop due to using a plug receptacle, or occasionally a fault in the main PBA.
How to fix it
If the breaker is fine, this one needs a professional technician to check the internal power systems.
SourceSamsung service manual