8. Inspection and Replacement
8-1
Chapter 8 –Inspection and Replacement
The iV5 series is an industrial electronic product with advanced semiconductor
elements. However, temperature, humidity, vibration and aging parts may still
affect it. To avoid this, it is recommended to perform routine inspections.
8.1 Precautions
CAUTION
Be sure to remove the drive power input while performing maintenance.
Be sure to perform maintenance only after checking that the bus has discharged. The bus
capacitors in the electronic circuit can still be charged even after the power is turned off.
The correct output voltage can only be measured by using a rectifier voltage meter. Other
voltage meters, including digital voltage meters, are likely to display incorrect values caused by
the high frequency PWM output voltage of the drive.
8.2 Inspection
1) Routine Inspection
Be sure to check the following before operation:
The conditions of the installation location
The conditions of the drive cooling
Abnormal vibration
Abnormal heating
2) Periodical Inspection
Are there any loose bolt, nut or rust caused by surrounding conditions? If so, tighten them up or replace them.
Are there any deposits inside the drive-cooling fan? If so, remove using air.
Are there any deposits on the drive’s PCB (Printed Circuit Boards)? If so, remove using air.
Are there any abnormalities in the various connectors of the drive’s PCB? If so, check the condition of the
connector in question.
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