5 Troubleshooting
72VFD700 AC Drive Getting Started Guide
Trip Code
Trip Description
Possible Reasons
Corrective Actions
F025
～
F029
Reserved
−
−
F030
Soft start circuit fault
Turn off IGBTs, and
the drive can not be
reset
Soft start circuit failed
Contact service center
F031
Main fan fault
Turn off IGBTs, and
the drive cannot be
reset
Fan blade not rotating
correctly
Check the fan blades
Wiring is wrong
Check fan wiring
F032
Control fan fault
(30kW and above)
Turn off IGBTs, and
the drive can not be
reset
Fan blade not rotating
correctly
Check the fan blades
Wiring is wrong
Check fan wiring;
Contact service center
F033
Current sense fault
Turn off IGBTs, and
the drive can not be
reset
Internal fault
Contact service center
F034
Power DSP fault
Turn off IGBTs, and
the drive can not be
reset
Software overflow
Power off and up
Internal fault
Contact service center
F035
MCU can not receive
the data from DSP
Turn off IGBTs, and
the drive can not be
reset
Software error
Contact service center
MCU or DSP failure
Contact service center
F036
MCUreceives wrong
data from DSP
Turn off IGBTs, and
the drive can not be
reset
External disturbance
Checkcable layout
Internal fault
Contact service center
