Inovance IS580T080 - Undervoltage; Drive Overloaded

6 Troubleshooting
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Power supply lost temperarily?
Input voltage too low?
DC BUS voltage noraml?
Reset and run
Adjust the power supply
Undervoltage
Yes
No
Rectifier and pre-charge resistor normal?
Replace rectifier and pre-
charge resistor
No
No
Yes
No
Power board normal?
Control board normal?
Replace power board
Replace control board
No
No
Yes
Yes
Yes
Seek for support
Overloaded or rotor got locked?
Reduce load and
check rotor
Use a higher rating drive
Yes
No
Drive overloaded