Delta Electronics VFD-M Series User Manual page 137

Chapter 6 Fault Code Information and Maintenance|
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
Check Items
Check the ambient temperature,
humidity, vibration and see if
there are any dust, gas, oil or
water drops
Check if there are any
dangerous objects in the
environment
Voltage
Check Items
Check if the voltage of main
circuit and control circuit is
correct
6-6
Methods and Criterion
Visual inspection and measurement
with equipment with standard
specification
Visual inspection
Methods and Criterion
Measure with multimeter with standard
specification
Maintenance
Period
Daily
Maintenance
Period
Daily
Revision May 2008, ME14, SW V3.04
Half One
Year Year
Half One
Year Year