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

2. once the alarm stops, do not start immediately, should find out the reason and repair the restart, check should strictly according to the inverter Device maintenance manual to perform the specified steps.

 3. Operators must be specially trained to identify the causes of general failures and be able to remove them, such as skilled replacement of fuses, components and damaged circuit boards. Personnel without training are not allowed to operate and use the equipment. 

4. such as the occurrence of an accident that is not easy to exclude or the cause of the accident is unclear, should make a detailed record of the accident, and timely notify the inverter manufacturer to solve.

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