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Goodrive3000 series medium voltage VFD Maintenance guidelines
-245-
Check item
Check content
Check
method
Criterion
value*0.85.
Transformer
and reactor
No abnormal vibration, noise and odor
Hearing, visual
examination,
smelling
NA
Contactor
and relay
1. No abnormal sound when the relay
and contactor act
2. The contacts are not rough
1. Hearing
2. Visual
examination
NA
Control
circuit
Control
board and
terminal
1. No loose screws and connecting
cables
2. No abnormal odor and color-changing
parts
3. No collision, crackles, distortion or
obvious rust
4. No capacitors in weeping and
distortion
1. Tighten up
2. Smelling,
visual
examination
3. Visual
examination
4. Visual
examination
NA
Cooling
system
Cooling fan
1. No abnormal noise or overheat
2. No loose fasteners
3. No color-changing caused by
overheating
1. Hearing,
visual
examination,
rotate the fan
by manual
after power off
2. Tighten up
3. Visual
examination
1. The fan runs
smoothly
2. NA
3. NA
Air duct
No foreign objects in the ventilating air
duct
Visual
examination
NA
7.3 Replacement of wearing parts
The fans and electrolytic capacitors are wearing parts. To ensure long-term safe operation without faults,
the wearing parts should be replaced regularly. The periods for replacement are:
Fan: replace it after using 20000 hours
Electrolytic capacitor: replace it after using 30000
–
40000 hours
Содержание GD3000-01-055G-12
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