LG MULTI V Installation Manual page 86

Test Run
Refrigerant Checking Function
This function judges refrigerant leakage and overcharging
It can be used with refrigerant auto charging function.
Too much Not enough
Refrigerant Refrigerant
Note
1. In case air temperature is out of guaranteed temperature, refrigerant checking function may end without performing refrigerant
checking. Use guaranteed temperature range only.
2. During the process of judging refrigerant amount, if the cycle isn't stable, refrigerant checking function may end without performing
refrigerant checking.
86 Outdoor Unit
Inspection Start
Press black button for 2 seconds
YES
Proper Temperature
Thermo off indoor unit
YES
Decide Refrigerant Quantity
Based on Refrigerant Quantity
Refrigerant
Cannot tell
Quantity
Quantity
Normal
Indoor Unit OFF
DIP Switch Settings
Warning : Please reset Main PCB before starting this function
NO
NO
Press black button for 2 seconds
Gas/Liquid
pipe direct
connection
Press black button for 2 seconds
Display Error
Display Error
End
Data Reset and Wait