LG multi V ARUB160BT3 Instruction Manual page 101

Refrigerant Checking Function (Setting 2)
This function judges refrigerant leakage and overcharging
It can be used with refrigerant auto charging function.
Press black button for 2 seconds
Proper Temperature
Thermo off indoor unit
Decide Refrigerant Quantity
Based on Refrigerant Quantity
Too much Not enough Cannot tell
Refrigerant Refrigerant Quantity
Warning : Please reset SUB PCB before starting this function
Inspection Start
YES
NO
NO
YES
Refrigerant Gas/Liquid
Quantity pipe direct
Normal connection
Indoor Unit OFF
DIP Switch Settings
Display Error
Display Error
Press black button for 2 seconds
End
Press black button for 2 seconds
Data Reset and Wait
Installation Manual 101
Test Run