LG MULTI V 5 Manual Book page 104

LGE Internal
ITR (Cooling / Heating / Automatic)
2. Heating
Use Only
• If the system is in operation before entering the heating test operation, "IDU / STOP" is displayed,
then the indoor unit is turned off and the FDD operation is entered. please enter the total amount
of refrigerant accurately before entering mode.
2. Heating
206
_TROUBLE SHOOTING GUIDE BOOK
■ The Display of Results
Judgment
IDU EEV
Impossible to Judge
ITR(Cooling) More than standard
Less than standard
Refrigerant
Don't Adjustment required
Impossible to Judge
IDU EEV
Impossible to Judge
Outdoor
Main EEV
ITR(Heating)
Impossible to Judge
More than standard
Less than standard
Refrigerant
Don't Adjustment required
Impossible to Judge
· Ask an authorized technician to setting a function.
· Guaranteed temperature range.
- IDU : 18~32℃ [64.4~89.6℉] / ODU : 0~43℃ [32~109.4℉]
· In case the function is not used, set the dip S/W oFF and reset the power.
· If the indoor unit error occurs, indoor unit operate in fan mode. the indoor unit number that oc-
curred an error is not displayed.
· Fd3 and Fd4 (refrigerant amount check) is function to judge the system's refrigerant automatically
through the system operation. For details, refer to the service manual.
Code Display
OK 5-Cn
NG 5-C1
5-CF
ex) 20%
ex) -15%
00
3-CF
OK 6-Cn
NG 6-C1
6-CF
OK 7-Cn
NG 7-C1
7-CF
ex) 20%
ex) -15%
00
3-CF
207
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