LG MULTI V Service Manual page 146

Self-diagnosis function
Error No.
Communication error
between Master and
207C#HR
Slave Main PCB of HR
Unit
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.
Error No.
Communication error of
208C#HR
EEPROM of HR Unit
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.
Error type
When fail to communication
between Master and Slave
Main PCB of HR Unit
Error type
When fail to communication
of EEPROM of HR Unit
Error point
1. Wiring defect between Main and Slave
Main PCB of HR Unit.
2. Defect of the Main PCB of HR Unit.
Error point
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.
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Main reasons
Main reasons