The F3 error code refers to an issue with the compressor. This error typically occurs when the compressor motor is malfunctioning, preventing the system from operating properly.
The motor may have failed or become damaged.
The compressor may be drawing too much current due to a malfunction.
Wiring problems may prevent the compressor from receiving power.
Turn off the unit for 5–10 minutes, then turn it back on to reset the system.
Check the compressor motor for failure or wear.
Ensure that the wiring to the compressor motor is intact.