LG MULTI V IV ARNU07GTU 2 Series Service Manual page 114

Troubleshooting Guide
Error
Error Type
No.
59*
Master 591
Series Installation
Slave1 592
Error
Slave2 593
Slave3 594
n Error Diagnosis and Countermeasure Flow Chart
Is Dip switch
setting normal?
Yes
Are there setting with
Master→Slave1→Slave2→
Slaver3?
Yes
Is there any error when
power reset?
Yes
Recheck installation
condition
* Dip Switch Setting
ON
Slave1
1 2
1 2
ON
Slave2
1 2
1 2
ON
Slave3
1 2
1 2
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Error Point
Series Installation of Slave
Outdoor Unit Larger Than
Master Capacity
No
No
No
3 4 5 6 7
3 4 5 6 7
3 4 5 6 7
3 4 5 6 7
3 4 5 6 7
3 4 5 6 7
1. Dip Switch Setting Error
1. Set the most
capacitor
ODU for Master
Set with Master→Slave1→Slave2→Slaver3
1. Replace Main PCB
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Main Reasons
LGE Internal Use Only