The F5 error code indicates an issue with the compressor motor. A malfunctioning compressor motor can prevent the system from operating correctly, affecting the cooling and heating performance.
The motor may have failed or become damaged.
The compressor may be drawing too much current, causing it to trip.
Short circuits or wiring issues may prevent the compressor from operating.
Turn off the unit for 5–10 minutes, then turn it back on to reset the compressor.
Check the compressor motor for any signs of failure or wear.
Ensure that the wiring to the compressor motor is intact.