Itr(Cooling) - LG MULTI V IV ARNU07GTU 2 Series Service Manual

Function

4.6 ITR(Cooling)

This function is checking process for normal operation of parts and system On operating system.
• Saved data can check using LGMV.
IDU EEV
ITR(Cooling)
Refrigerant
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Start
All IDU operation on
Fan mode on 1 minute
Yes
Check Temp. Condition
1 IDU operation and
save data
(All-1) IDU operation and
save data
All IDU operation(refrigerant
check) and save data
Switchover 4way valve
Judge IDU EEV
Stop operation and judge
the result
System off
Judgment
OK
NG
Impossible to Judge
More than standard
Less than standard
Don't Adjustment required
Impossible to Judge
- 36 -
No
Code
5-Cn
5-C1
5-CF
ex) 20%
ex) -15%
00
3-CF
Display
LGE Internal Use Only