LG Multi V Service Manual

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Copyright © 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
Self-diagnosis function
60
Inv. PCB EEPROM
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 Inv. 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 Inv. PCB normal?
No
Yes
Replace Inv. PCB
* Inv. EEPROM inserting point
* Right inserting direction of Inv. EEPROM
j Note : Replace after power off

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)