Delta Electronics VFD-M Series User Manual page 139

Chapter 6 Fault Code Information and Maintenance|
Terminals and wiring of main circuit
Check Items
If the wiring shows change of
color change or deformation due
to overheat
If the insulation of wiring is
damaged or the color has
changed
If there is any damage
DC capacity of main circuit
Check Items
If there is any leakage of liquid,
change of color, cracks or
deformation
Measure static capacity when
required
Resistor of main circuit
Check Items
If there is any peculiar smell or
insulator cracks due to
overheating
If there is any disconnection
6-8
Methods and Criterion
Visual inspection
Visual inspection
Visual inspection
Methods and Criterion
Visual inspection
≥
Static capacity initial value X 0.85
Methods and Criterion
Visual inspection, smell
Visual inspection or measure with
multimeter after removing wiring
between B1 ~ B2
Resistor value should be within
Maintenance
Period
Daily
Maintenance
Period
Daily
Maintenance
Period
Daily
±
10%
Revision May 2008, ME14, SW V3.04
Half One
Year Year
Half One
Year Year
Half One
Year Year