Drivecon变频器XR系列变频器英文说明书.pdf

Service Manual Service Manual Service Manual Page 1 CAUTION 1. Before starting read carefully instructions and this table. 2. Verify all connections are according to drawings. 3. Verify motor supply is connected correctly, wrong connection will destroy the inverter. 4. Verify internal voltage selections of device are correct. 5. Check device cover is properly installed and all ventilation holes are clear and uncovered. 6. Check that hot air coming from brake resistors does not cause any danger. 7. High voltages are present in this device. Do not make any inspections unless the supply has been disconnected by main switch. Before opening the device cover, wait at least 5 minutes after the display lamps turn off. 8. Insulation resistance test with a megger requires special precautions. 9. Do not make any measurements inside the device when it is connected to main supply. 10. Do not touch the IC-circuits on the circuit boards. Static voltage discharge may destroy the components. 11. It is forbidden to use radiophones and portable phones near this device with the doors open. 12. All the doors and covers must be closed during crane in operation. Drivecon Inc. Drivecon Inc. reserves the right to alter or amend the above information wi