Chapter 7 Maintenance Guidelines; Daily Maintenance; Regular Maintenance - INVT Goodrive3000 GD3000-01-055G-12 Operation Manual

Goodrive3000 series medium voltage inverters

Chapter 7 Maintenance guidelines

●Electricians must carry out maintenance as the specified methods.
●Only qualified electricians are allowed to perform the maintenance.
●Disconnect all power supplies to the inverter before maintenance. After 25 minutes, ensure
the CHARGE LEDs of all modules are off and the DC bus voltage of the inverter detected by
multimeter is lower than 25V.
●Do not touch the components on the PCB board, otherwise electrostatic discharge may
cause damage to the inverter.
●After maintenance, ensure all screws have been tightened securely.

7.1 Daily maintenance

To avoid faults, ensure normal running and prolong service life, the inverter needs daily maintenance, as
shown below:
Check item
Temperature/humidity
Oil fog and dust
Inverter
Fan
Input power
Motor

7.2 Regular maintenance

To avoid faults and ensure the inverter runs smoothly in high performance for a long time, users must
inspect the inverter regularly, as shown below:
Check item
Environment
Voltage
Display
Casing, cover and
other structural parts
Environmental temperature: -10℃~40℃, humidity: 5~95%
No oil fog, dust or condensation inside the inverter
No abnormal overheat or vibration to the inverter
The fan runs normally and no blockage
The voltage and frequency of input power in allowed range
No abnormal vibration, overheat, noise or phase loss to the motor
Check content
1. Check the ambient temperature,
humidity, vibration and atmosphere
(including dust, oil fog and water drops)
2. Ensure there are no tools or other
foreign or dangerous objects
Check the AC voltage and DC voltage
are normal
1. Ensure the display is clear enough
2. Ensure the characters are displayed
totally
1. No abnormal noise and vibration
2. No loose fasteners
3. No distortion or crackles
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Maintenance guidelines
Check content
Check
method
1. Visual
examination
and
instrument
test
2. Visual
examination
Multimeter or
other
instruments
Visual
examination
1. Visual
examination
2. Tighten up
Criterion
1. Conform to
the standards
2. There are no
tools or
dangerous
objects
Conform to the
standards
The characters
are displayed
normally
NA