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LG Multi V - Page 146

LG Multi V
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Self-diagnosis function
- 146 -
Copyright © 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
1. Wiring defect between Main and Slave
Main PCB of HR Unit.
2. Defect of the Main PCB of HR Unit.
Error No. Error type Error point Main reasons
When fail to communication
between Master and Slave
Main PCB of HR Unit
Communication error
between Master and
Slave Main PCB of HR
Unit
207C#HR
1. Wiring defect between EEPROM and
Main PCB of HR Unit.
2. Wiring wrong type of EEPROM.
3. Defect of the Main PCB of HR Unit.
Error No. Error type Error point Main reasons
When fail to communication
of EEPROM of HR Unit
Communication error of
EEPROM of HR Unit
208C#HR
n Error diagnosis and countermeasure flow chart
1) Check if Dip switch No.5 of SW02E on Slave Main PCB is ON.
2) Check the communication connection between Master and Slave Main PCB of HR Unit even after check No.1
process.
3) Replace Main PCB of HR Unit even after check No.2 process.
n Error diagnosis and countermeasure flow chart
1) Check the wiring connection between EEPROM and Main PCB of HR Unit.
2) Replace Main PCB of HR Unit even after check No.1 process.

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