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LG MULTI V IV ARNU12GTU 2 Series User Manual

LG MULTI V IV ARNU12GTU 2 Series
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Troubleshooting Guide
- 115 -
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
60*
Master 601
Slave1 602
Slave2 603
Slave3 604
Comp PCB EEP-
ROM error
Error No. Error Type Error Point Main Reasons
EEPROM Access error
and Check SUM error
1. EEPROM contact defect/wrong insertion
2. Different EEPROM Version
3. ODU Comp PCB assembly damage
n Error Diagnosis and Countermeasure Flow Chart
Is EEPROM insertion normal?
No
Yes
Recheck power and installation condition
1.Check EEPROM insert direction/connection condition
2.Check EEPROM Check SUM
Replace if abnormality found
Is Comp PCB assembly normal?
No
Yes
Replace Comp PCB assembly
* Inverter EEPROM inserting point
* Right inserting direction of inverter EEPROM
Note : Replace after power off
Check IC02L

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LG MULTI V IV ARNU12GTU 2 Series Specifications

General IconGeneral
BrandLG
ModelMULTI V IV ARNU12GTU 2 Series
CategoryAir Conditioner
LanguageEnglish

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