Goodrive800 Pro Series Inverter Unit Hardware Manual
Maintenance and inspection
202202 (V1.0)
58
6.2.3
DC fuse
To check and replace the DC fuse of an A8i inverter unit, do as follows:
Only qualified electricians can perform this task. Read all the safety precautions.
Ignoring these safety precautions may lead to physical injury or death, or device
damage.
Step 1
Stop the unit, disconnect the AC power supply, and wait for a time no shorter than the waiting time
designated on the unit.
Step 2
Remove the screws of the protective cover plate of the unit DC fuse and remove the cover plate.
Step 3
Remove the copper bar fixing screws of the DC fuse assembly and remove the DC fuse assembly.
Step 4
Check the condition of the fuse and replace it as needed. When replacing it, install the new fuse and
copper bar as an assembly and tighten the screws according to the tightening torque table.
Step 5
Install the protective cover and close the cabinet door.
Step 6
Connect to the power.
6.2.4
Inverter unit
To replace the inverter unit, do as follows:
Step 1
Stop the machine and disconnect the AC power.
Step 2
Open the cabinet door and check to ensure there is no voltage in the equipment.
Step 3
Disconnect the external connection cables of the inverter unit.
Step 4
Disconnect the (+) and (-) DC output copper bars.
Step 5
Install the unit entry/exit guide rail.
Step 6
Remove the (four M8) fixing screws from the top and bottom of the inverter unit.
Step 7
Pull the inverter unit and unfold the anti-tipping stand.
Step 8
Install the new inverter unit according to 3.3.5.6 Unit installation and replacement.
Figure 6-2 Inverter unit replacement
Remove 4-M8
fastening screws.
Remove the （+）and （-）DC
input copper bars.
Unit entry/exit guide rail
