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2. Make sure the PV voltages of the strings are within operating parameters. Turn on(close) PV

isolator switches between the inverter and array and then on the side of the inverter.

3. Make sure Steps 1 and 2 are running properly before turning on the grid power or generator

breaker.

4. Power on the load breakers in the cable box of the inverter and then in the load panel.

11.4.2 Shutting down the inverter

Danger!

Never disconnect the battery, PV, or AC input power under load. If there is an emergency and users must

shut down the inverter, please follow the steps outlined below.

1. Turn off the grid breaker feeding the inverter.

2. Switch off the load breaker.

3. Turn off the PV Isolator switch and then battery breaker. Wait for the LCD to go off.

12 Troubleshooting & Maintenance

12.1

Regular Maintenance

Inverter Maintenance

 Inspect the inverter every 6 months to check for any damaged cables, accessories, or terminals,

and inspect the inverter itself.

 Inspect the inverter every 3 months to verify if the operating parameters are normal and there

is no abnormal heating or noise from all components in the system.

 Inspect the inverter every month to confirm nothing covers the inverter heat sink. If there is,

shut down the inverter and clear the heat sink to restore proper cooling.

Battery Maintenance

 Follow the manufacturer's requirements on maintenance. When users carry out maintenance

on batteries, please make sure to fully shut down the inverter for safety.

12.2

LED Description

LED Display Description Action

Green LED

Solid lit Working normally No action needed

Flashing Firmware upgrading Wait until update is complete

Yellow LED Solid lit

Warning, inverter may

stop working

Needs troubleshooting

Red LED Solid lit

Fault, inverter will

stop working

Needs troubleshooting

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