Fault Tracking
118
8.6.3 Overvoltage
OV fault
Check if the voltage range is in
the standard one or not ?
Check if the ACC/DEC
time is too short
Check if the load
motor is in abnormal
reverse running
Ensure the power supply
meets the need
Check If UVW is short
circuited to to the earth and
the configuration of the output
side is right or not?
Settle the short circuit
and confabulate rightly
Shorten the ACC/DEC
time
Check the load and
adjust
If the it is the
fault,
please contact the
company
Check if the ACC/DEC
time can be shortened
Check if it
needs to use
the options
Add braking optionds
Adjust the braking
options and the resistor
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
8.6.4 Undervoltage fault
UV fault
Check that if there is
powering off during the
running
If the voltage of the power
supply is in the standard range
Ensure the power supply
meet the need
Check if the air switch and
contactor on the inside is off or
abnormal or not
Switch on the air switch
and contactor and settle
the abnormal
Adjust the power supply
Ensure the power off
reason and settle the
abnormal
If
the
it
is
fault,
please contact INVT
Check if there is big power
device in the same power supply
Yes
No
Yes
No
Yes
No
Yes
No