When using photovoltaic independent inverters, you should pay attention to:

1. Connect and install the equipment in strict accordance with the requirements of the inverter maintenance manual. When installing, check carefully: whether the wire diameter meets the requirements; whether the components and terminals are loose during transportation; whether the insulation should be well insulated; whether the grounding of the system meets the regulations.

2. It should be operated and used in strict accordance with the provisions of the inverter operation and maintenance manual. In particular: pay attention to whether the input voltage is normal before starting up; pay attention to whether the sequence of switching on and off is correct during operation, and whether the indications of the meters and indicator lights are normal.

3. Inverters generally have automatic protection for open circuit, over-current, over-voltage, overheating and other items, so when these phenomena occur, there is no need to manually stop; the protection point of automatic protection is generally set at the factory, no need to Adjust again.

4. There is high voltage inside the inverter cabinet, the operator is generally not allowed to open the cabinet door, and the cabinet door should be locked at ordinary times.

5. When the room temperature exceeds 30°C, heat dissipation and cooling measures should be taken to prevent equipment failure and prolong the service life of the equipment.


1. Regularly check whether the wiring of each part of the inverter is firm and loose, especially the fan, power module, input terminal, output terminal and grounding should be carefully checked.

2. Once the alarm is shut down, it is not allowed to start up immediately. The cause should be found out and repaired before starting up. The inspection should be carried out in strict accordance with the steps specified in the inverter maintenance manual.

3. Operators must be specially trained to be able to judge the cause of general failures and eliminate them, such as skillfully replacing fuses, components and damaged circuit boards. Untrained personnel are not allowed to work and operate the equipment.

4. If an accident that is difficult to eliminate or the cause of the accident is unclear, a detailed record of the accident should be made, and the inverter manufacturer should be notified in time to solve it.

The above are the main points for the correct use and maintenance of photovoltaic independent inverters.