Delta C2000 Series User Manual page 656

Chapter 18 Suggestions and Error Corrections for Standard AC Motor Drives
Transformer and reactor of main circuit
Check Items
If there is any abnormal vibration or peculiar
smell
Magnetic contactor and relay of main circuit
Check Items
If there are any loose screws
If the contact works correctly
Printed circuit board and connector of main circuit
Check Items
If there are any loose screws and connectors
If there is any peculiar smell and color change Visual and smell inspection
If there is any crack, damage, deformation or
corrosion
If there is any liquid is leaked or deformation in
capacity
Cooling fan of cooling system
Check Items
If there is any abnormal sound or vibration
If there is any loose screw
If there is any color change due to overheat
Methods and Criterion
Visual, aural inspection and
smell
Methods and Criterion
Visual and aural inspection
Visual inspection
Methods and Criterion
Tighten the screws and
press the connectors firmly
in place.
Visual inspection
Visual inspection
Methods and Criterion
Visual, aural inspection and
turn the fan with hand (turn
off the power before
operation) to see if it rotates
smoothly
Tighten the screw
Change fan
18-4
C2000 Series
Maintenance
Period
Half One
Daily
Year Year
Maintenance
Period
Half One
Daily
Year Year
Maintenance
Period
Half One
Daily
Year Year
Maintenance
Period
Half One
Daily
Year Year