36
Fault
Name
Fault Code Corrective Measure
743, 744, 745
1. Generally, the battery will return to normal
automatically;
2. If the problem is not resolved, please upgrade the
battery software.
3. Please contact the installer or the manufacturer if the
issue persists for a long time. Switch off the battery sys-
tem immediately if the SOC drops below 3% to avoid
damage caused by battery over-discharge.
746
1. Please contact the installer or manufacturer to up-
grade the hybrid inverter, WiNet, and battery software to
the latest version.
2. If the problem is not resolved, please contact the in-
staller to change the order of PACKs and re-install the
battery system.
3. Please contact the installer or the manufacturer if the
issue persists for a long time. Switch off the battery sys-
tem immediately if the SOC drops below 3% to avoid
damage caused by battery over-discharge.
747
1. Switch off the battery system, and restart it after 5
minutes.
2. If the problem is not resolved, please upgrade the
battery software.
3. Please contact the installer or the manufacturer if the
issue persists for a long time. Switch off the battery sys-
tem immediately if the SOC drops below 3% to avoid
damage caused by battery over-discharge.
8 Troubleshooting and Maintenance User Manual
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