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5 Troubleshooting
VFD700 AC Drive Getting Started Guide 67
5 Troubleshooting
5.1 Faults and corrective actions
When a drive trip (fault) occurs, the keypad will display the corresponding trip code and drive
output will be disabled. VFD700 trip is listed in the table 5-1. The range is F001 to F043. If
there is a trip , please check the guide in table 5-1 and record the fault carefully. If you need
service support, please contact local distributor or supply factory.
Table 5-1 Faults and corrective actions
Trip Code
Trip Description
Possible Reasons
Corrective Actions
F001
Over current
Turn off the IGBTs,
the drive can be reset
10s after trouble
removal
Output short circuit
Check the motor cable and
electric connection
Acceleration or
deceleration time is too
short
Increase accel or decel time
The motor is still
spinning when the drive
is reset after sudden stop
Choose P03.05, and set the
start mode to speed tracking
and restart
Internal fault
Contact service center
F002
Over voltage
Turn off the IGBTs,
the drive can be reset
1s after trouble
removal
Supply voltage is too
high
Make sure the power supply
is within the specification
Sudden load change
Avoid sudden load
changes
Deceleration time is too
short
Increase the deceleration
time or add a suitable brake
resistor
Internal fault
Contact service center
F003
Under voltage
Turn off the IGBTs,
the drive can be reset
automatically after
trouble removal
Supply voltage is low
Check the power supply
During drive power off
Normal, and no need to
keep in the trip tracking log
Internal fault
Contact service center