LG General Wall Mounted-Inverter Type User Manual
Page 2
2 Room Air Conditioner
Air Conditioner Service Manual
CONTENTS
Part 1 General Information
1. Safety Precautions........................................................................................................4
2. Nomenclature ...............................................................................................................7
Part 2 Functions & Controls
1. List of Functions & Controls........................................................................................9
2. Basic Mode Controls .................................................................................................10
3. Special Mode Controls ...............................................................................................12
4. Utility Functions .........................................................................................................13
5. Protection Functions & Controls ...............................................................................16
Part 3 Test Run
1. Check before Test Run ...............................................................................................31
2. Test Run Flow chart ....................................................................................................32
3. Test Run Detail ............................................................................................................33
Part 4 Trouble Shooting Guide
1. 2-Way, 3-Way Valve ....................................................................................................35
2. Pumping Down ...........................................................................................................36
3. Evacuation (All amount of refrigerant leaked) ........................................................37
4. Gas Charging (After Evacuation) ..............................................................................38
5. Cycle Troubleshooting Guide ....................................................................................39
6. Electric Parts Troubleshooting Guide .......................................................................41
7. Self-diagnosis Function .............................................................................................46