LG ESS Home 8 User Manual page 41

Code Description
B704 Power Terminal temperature level is higher
than the limit
B754 Battery power supply relay operation fault
B756 Reset count error
B758 BIC AD reference voltage error
B759 Cell sensor wire connection error
B760 Temperature sensor error
B761 Current sensor error
B764 Unit high voltage sensor error
B765 Circuit breaker switch is open
B766 Fault checking operation error
B767 Battery pack count error
B768 MCU AD conversion error
B769 Cell temperature AD conversion error
B770 Cell voltage AD conversion
B771 MCU AD reference voltage error
y Firmware version, Error codes, and Fault conditions can be accessed on the display. They can also be
accessed from the server.
Contact
If you have any technical problems or questions, contact the installation company or LGEUS.
1. Installation Company Address :
2. LG Electronics ESS Service
ATTN: Electro-Tech Services, Inc. 19481 SAN JOSE AVE. CITY OF INDUSTRY CA 91748
(833) 940-5010
esssvc.lge@etssi.com
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Solution
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Troubleshooting
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