Dc Capacity Of Main Circuit; Resistor Of Main Circuit; Transformer And Reactor Of Main Circuit; Magnetic Contactor And Relay Of Main Circuit - Delta Electronics AC Motor Drive VFD-VE Series User Manual

Chapter 6 Fault Code Information and Maintenance|

DC capacity of main circuit

Check Items
If there is any leak of liquid,
color change, crack or
deformation
Measure static capacity when
required

Resistor of main circuit

Check Items
If there is any peculiar smell or
insulator cracks due to overheat
If there is any disconnection

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
6-10
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 +1/+2 ~ -
Resistor value should be within
Methods and Criterion
Visual, aural inspection and smell
Methods and Criterion
Visual and aural inspection
Visual inspection
Maintenance
Daily
Maintenance
Daily
±
10%
Maintenance
Daily
Maintenance
Daily
Revision August 2008, 03VE, SW V2.04
Period
Half One
Year Year
Period
Half One
Year Year
Period
Half One
Year Year
Period
Half One
Year Year