User Manual

VTS2000 Series frequency inverter
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8 Regular inspection and maintenance
Changes in the operating environment of the inverter, such as the effects of temperature, humidity, smoke, and the aging
of internal components of the inverter, may cause various failures of the inverter. Therefore, the inverter must be
inspected daily during storage and use, and regular maintenance should be carried out.
1: Daily maintenance
When the inverter is turned on normally, please confirm the following:
（1）Does the motor have abnormal sound and vibration?
（2）Is the inverter and motor overheated abnormally?
（3）Is the ambient temperature too high?
（4）Is the load current meter the same as usual?
（5）Is the cooling fan of the inverter running normally?
2: Regular maintenance
1) Regular maintenance
The user can conduct regular inspections of the inverter in the short-term or 3-6 months according to the usage, to
eliminate hidden troubles and ensure long-term stable operation. When the inverter checked, the power must be cut off.
Only After the monitor is not displayed and the power indicator of the main circuit is off, the inspection can be carried