LG ESS Home 10 Manual De Instalación página 78

78 Troubleshooting
Code Message
B756 Atmosphere Charge
Under Temperature
Fault2
B762 Relay Opreation
Fault2
B764 Reset Over Count
Fault2
B766 BIC ADC Reference
Voltage Error
B767 Cell Voltage Sensor
Open Wire
B768 Temperature Sensor
Error
B769 Current Sensor Line
Error
4
B772 Unit High Voltage
Error (H/W)
B773 Circuit break switch
Open
B774 Magic Number Error
B775 Pack Number Error
B776 MCU ADC Stuck Error MCU ADC Stuck Error
B777 Temperature ADC
Stuck Error
B778 Cell ADC Stuck Error
B779 BCU ADC Reference
Voltage Error
B782 BCU OSC HR object
Error
B783 Internal
Communication Error
(BCU ↔ BIC)
B784 External
Communication Error
( PCS ↔ BIC )
B785 Watchdog Counter
Error
B787 CPU Register Error
Description
Charge Atmosphere temperature
level is lower than the limit
Battery power supply relay
operation Fault
Error of reset count
BIC ADC Reference Voltage Error
Cell Voltage Sensor Open Wire
Temperature Sensor Error
Current Sensor Line Error
Unit High Voltage Error (H/W)
Circuit break switch Open
Magic Number Error
Pack Number Error
Temperature ADC Stuck Error
Cell ADC Stuck Error
BCU ADC Reference Voltage Error
BCU OSC HR object Error
Internal Communication Error
(BCU ↔ BIC)
External Communication Error (
PCS ↔ BIC )
Watchdog Counter Error
CPU Register Error
Solution
Contact service center
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Contact service center
Contact service center
Contact service center
Contact service center
Contact service center
Contact service center
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Contact service center
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault