Delta Electronics AC Motor Drive VFD007S23A User Manual
Page 149
Chapter 8 Maintenance and Inspections|VFD-S Series
8-2
Revision August 2006, SE08, 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
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