2. Test Run Flow chart
START
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
Normal
• Each indoor unit should be tested.
• If the unit has accessory, it should be tested.
Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No
Refer to part4, 6 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
- 35 -
Part 4. Test Run
Guide
LGE Internal Use Only