INVT Goodrive300 Series Operation Manual page 202

Goodrive300 Series VFD
8.6.3 Overvoltage
Check the load and adjust
8.6.4 Undervoltage
OV fault
Check if the voltage range is
in the standard one or not ?
Yes
Check If UVW is short
Circuited to the earth and the
configuration of the output side
is right or not?
Yes
Check if the ACC/DEC
time is too short
No
Check if the load motor
Yes
is in abnormal reverse
running
No
If it is the VFD fault,
contact our company
UV fault
If the voltage of the power
supply is in the standard range
No
Check if the air switch and
contactor on the inside is off or
abnormal or not
No
Check if there is big power
device in the same power supply
No
Check that if there is
powering off during the
running of the VFD
No
If it is the VFD fault,
contact our company
No
Ensure the power supply
meets the need
Yes
Settle the short circuit and
confabulate rightly
Yes
Check if shortening the
ACC/DEC time is allowed
No
Check if it needs
to use the options
No
Adjust the braking options
and the resistor
Yes
Ensure the power supply
meet the need
Switch on the air switch
Yes
and contactor and settle
the abnormal
Yes
Adjust the power supply
Ensure the power off
Yes
reason and settle the
abnormal
197
Fault tracking
Yes
Shortening the ACC/DEC
time
Yes
Add braking optionds