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Platform Lift
Car Lift
Truck Crane
Non Asbestos Materials

Frequency Converter Maintenance


1. Use a vacuum cleaner with a plastic suction nozzle to clean the converter cabinet to ensure that there is no excess dust around the device.
2, Check the ventilation and lighting of the frequency room, and the ventilation equipment can function properly.
3. Check the connection between the internal cable of the inverter should be correct and reliable.
4. Check all grounding in the converter cabinet to be reliable and grounded without rust.
5. The operation of the high voltage switch in the bypass counter of the inverter should be normal, and can be properly closed and broken.
6. After the test run of the inverter is completed, it shall re-examine the connecting nut of the internal cable of the fastening inverter.
7. The internal cable of the converter shall be connected with each nut in half a year.
8. The internal cable of the converter shall be connected with each nut in half a year.
9. Recovery operation after the inverter long downtime, should measure frequency converter (including phase shift, by pass (primary loop) insulation, should use 2500 v megohmmeter, insulation test qualified to start the inverter.The output end prohibits the use of the meter to prevent the internal devices from being damaged.

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