Goodrive350A series high-performance multifunction VFD
Maintenance
-314-
Power supply
380 V
VFD
R
S
T
U
V
W
Resistor 1 K
Ω
/100 W
Resistor 1 K
Ω
/100 W
Resistor 1 K
Ω
/100 W
Figure 8.2 Charging circuit example of driving devices
8.4.2 Electrolytic capacitor replacement
Read the safety precautions carefully and follow the instructions to perform
operations. Otherwise, physical injuries or damage to the device may be caused.
The electrolytic capacitor of the VFD must be replaced if it has been used for more than 35,000 hours.
For details about the replacement, contact the local INVT office.
8.5 Power cable
Read the safety precautions carefully and follow the instructions to perform
operations. Otherwise, physical injuries or device damage may be caused.
1. Stop the VFD, disconnect the power supply, and wait for a time no shorter than the waiting time
designated on the VFD.
2. Check the connection of the power cables. Ensure that they are firmly connected.
3. Power on the VFD.