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Veikong VFD500 Series Operation Manual
Also see for VFD500 Series: User manualUser manualOperation manual
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Contents
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Chapter 8 Maintenance VFD500high performance vector control frequency inverter user manual- 100 -Chapter8Daily maintenance of frequency inverters8.1 Daily maintenanceDue to the influence of temperature, humidity, dust and vibration, it will lead to poor heat dissipation andcomponent aging of frequency inverter, and results in potential failure or reducing the service life offrequency inverter. Therefore, it is necessary to do daily and regular maintenance of the frequencyinverter.8.1.1 Daily maintenanceDue to the influence of temperature, humidity, dust and vibration, it will lead to poor heat dissipation andcomponent aging of frequency inverter, and results in potential failure or reducing the service life offrequency inverter. Therefore, it is necessary to do daily and regular maintenance of the frequencyinverter.Daily check items:1) Check if the sound is normal during the running of the motor;2) Check if there is a vibration during the running of the motor;3) check whether the installation environment of frequency inverter has changed;4) Check if the cooling fan of frequency inverter is working correctly, the cooling air duct is clear;5) Check if the frequency inverter is overheating;6) Make sure that the frequency inverter should always be kept in a clean state;7) Clear up effectively the dust on the surface of frequency inverter, prevent the dust from entering intothe inside of frequency inverter, especially for the metal dust;8) Clear up effectively the oil and dust on the cooling fan of frequency inverter.8.1.2 Regular inspectionPlease regularly check the frequency inverter, especially for the difficult checking place of running.Regular inspection items:1) Check the air duct and clear up regularly;2) Check if there are any loose screws;3) Check if the inverter has been corroded;4) Check whether the wiring terminals show signs of arcing;5) Main circuit insulation test.Note: When using the megger(please use the DC 500V meg ohm meter) to measure the insulationresistance, you shall disconnect the main circuit with the frequency inverter. Do not use theinsulation resistance meter to test the control circuit. It don’t have to do the high voltage test (It hasbeen done when the frequency inverter produced in factory.)8.2 Wearing parts replacementThe wearing parts of frequency inverter include the cooling fan and filter electrolytic capacitor, its servicelife is closely related to the using environment and maintenance status. The general service life is shownas follows: |
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