Delta VFD-M-D series User Manual

Chapter 8 Maintenance and Inspections|VFD-M-D Series
8-2 Revision Jan. 2007, MDE2, SW V1.05
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 are any dust, gas, oil or
water drops
Visual inspection and measurement
with equipment with standard
specification

If there are any dangerous
objects
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


Delta VFD-M-D series Specifications

General

Brand	Delta
Model	VFD-M-D series
Category	Controller
Language	English