Daikin · room air conditioner
This indicates that the system is low on refrigerant. This can lead to reduced cooling/heating efficiency and potential damage to the compressor.
Click steps to track your progress.
Turn off the air conditioner.
Check for any visible signs of refrigerant leaks around the indoor or outdoor units (oily residue).
If a leak is suspected, do not attempt to operate the unit and contact a qualified installer immediately.
The system needs to be leak tested, repaired, and recharged by a professional.