Delta Electronics VFD-M Series, User Manual

Page: 137 / 173

Chapter 6 Fault Code Information and Maintenance
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6-6 Revision May 2008, ME14, SW V3.04
DANGER!
1. Disconnect AC power before processing!
2. Only qualified personnel can install, wire and maintain AC motor drives. Please take off any
metal objects, such as watches and rings, before operation. And only insulated tools are
allowed.
3. Never reassemble internal components or wiring.
4. Prevent static electricity.
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
{
Check if there are any
dangerous objects in the
environment
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
{