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8. Exclusion

The warranty shall not cover the defects caused by normal wear and tear, inadequate maintenance,

handling, storage faulty repair, modifications to the battery or pack by a third party other than

manufacturer or manufacturer agent, failure to observe the product specification provided herein or

improper use or installation, including but not limited to the following.

· Damage during transport or storage.

· Incorrect Installation of battery into pack or maintenance.

· Use of battery pr pack in inappropriate environment.

· Improper, inadequate, or incorrect charge, discharge or production circuit other than stipulated

herein.

· Incorrect use or inappropriate use.

· Insufficient ventilation.

· Ignoring applicable safety warnings and instructions.

· Altering or attempted repairs y unauthorized personnel.

· In case of force majeure (ex: lightning, storm, flood, fire, earthquake, etc.).

· There are no warranties-implied or express-other than those stipulated herein. manufacturer shall

not be liable for any consequential or indirect damages arising or in connection with the product

specification, battery or pack.

9. Troubleshooting and Maintenance

9.1 Maintenance

It is recommended that the battery storage time is not more than 6 months.

It is required to charge the battery at least once every 6 months, for this charge maintenance

make sure the SOC is charged to higher than 70%。

In the condition of 90% charging. It is recommended that the customers use low-voltage

inverter and fill the battery every half month, otherwise the SOC will be deviated.

Every year after installation. The connection of power connector, grounding point, power cable and

screw are suggested to be checked. Make sure there is no loose, no broken, no corrosion at

connection point. Check the installation environment such as dust, water, insect etc. Make sure it is

suitable for IP21 battery system.

9.2 Troubleshooting

When the red / green LED on the panel is flashing or normally on, it does not mean that the LV5200 is

abnormal, it may be just an alarm or protection. Please check the 'LED status indicators' in chapter 7 for

the detailed faulty definition before any trouble-shooting steps. In general, the alarm indication is normal

without manual intervention. When the alarm triggering state is removed, LV5200 will automatically

return to normal use.

- Problem determination based on the following points

Whether the green light on the power switch is on;

Whether the buzzer in BMS is on;

Whether the battery system can be communicated with inverter;

Whether the battery can be output voltage or not.

- Preliminary determination steps

1) Battery system cannot work, when DC switch on and POWER on, the LED doesn't light up or flash,

please consider contact the local distributor.

2) The LED display of BMS is normal, but it cannot charge and discharge. Observe the display screen

of inverter and there is no SOC. Please check whether the RS485 communication between BMS to

inverter is well connected. If the connection is good, please replace a RS485 communication cable. If

the SOC is still not visible on the inverter display screen, please contact the local distributor.

3) After the battery system is powered on, if you can see the alarm information on the LED and inverter

display screen at the same time, please contact the local distributor.