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Chapter 8 Maintenance and Inspections|VFD-S Series
8-2 Revision August 2008, SE09, SW V2.61
Periodical Maintenance
Ambient environment
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Check the ambient temperature,
humidity, vibration and see if
there is any dust, gas, oil or
water drops
Visual inspection and measurement
with equipment with standard
specification
{
Check for any dangerous
objects near drive and motor
Visual inspection
{
Voltage
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Check if the voltage of main
circuit and control circuit is
correct
Measure with multimeter with standard
specification
{
Keypad
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Is the display clear for reading? Visual inspection
{
Any missing characters? Visual inspection
{
Mechanical parts
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any abnormal sound
or vibration
Visual and aural inspection
{
If there are any loose screws Tighten the screws
{