Test Run Flow Chart - LG General Wall Mounted-Inverter Type Svc Manual

Part 3 Test Run

2. Test Run Flow chart

Test operation for indoor unit
Operate the unit in cooling mode.
Does Test operation start?
Yes
Is cold air discharged for
more than 3 minutes ?
Yes
Is there any temperature
difference between intake and
discharged air?
Yes
Is the operating current
normal ?
Yes
Operation mode change
to Heating mode
Is hot air discharged ?
After Hot Start
Yes
NOTE: When outdoor temperature is low,the unit is operated to Heating mode
32 Room Air Conditioner
START
Normal
No
Refer to part4, 7 Electric part
No
Refer to part4, 5 Cycle part
No
No
* Check the load (In/Out Temp.)
* Check pipe length and amount of
refrigerant
* Check for abnormal sound in
outdoor unit (comp.,Fan, others )
No
Refer to Troubleshooting
Guide