LG MULTI V IV ARNU12GTU 2 Series User Manual

Troubleshooting Guide
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Only for training and service purposes
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59*
Master 591
Slave1 592
Slave2 593
Slave3 594
Series Installation
Error
Error
No.
Error Type Error Point Main Reasons
Series Installation of Slave
Outdoor Unit Larger Than
Master Capacity
1. Dip Switch Setting Error
n Error Diagnosis and Countermeasure Flow Chart
Is Dip switch
setting normal?
Is there any error when
power reset?
Recheck installation
condition
Are there setting with
Master→Slave1→Slave2→
Slaver3?
No
No
No
Yes
Yes
Yes
1. Set the most
capacitor
ODU for Master
Set with Master→Slave1→Slave2→Slaver3
1. Replace Main PCB
* Dip Switch Setting
Slave1
Slave2
Slave3
1234567
ON
1234567
1234567
ON
1234567
1234567
ON
1234567

LG MULTI V IV ARNU12GTU 2 Series Specifications

General

Brand	LG
Model	MULTI V IV ARNU12GTU 2 Series
Category	Air Conditioner
Language	English