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5 Troubleshooting
VFD700 AC Drive Getting Started Guide 71
Trip Code
Trip Description
Possible Reasons
Corrective Actions
F018
External fault
Stop the drive according
to the Stop mode, turn
off the IGBTs, and the
drive can be reset 1s
after trouble removal
An external fault input from
one of theDI terminals
Check the external equipment
F019
communication fault
turn off the IGBTs, and
the drive can be reset
1s after trouble
removal
linkage fault between the
drive and remote keypad
or other external options
check the cabling
communication fault
between the drive and
remote keypad or other
external options
contact service center
F020
EEPROM reading and
writing failure
Error occurs when
reading & writing the
control word
Press STOP key to reset the
drive and try again; contact
service center
Internal fault
Contact service center
F021
Assignment fault
the drive can be reset
1s after trouble
removal
Wrong parameter
assignment
Check if parameters are
set to the same value, if
so, correct it, press STOP
key to reset.
Load default, and reset
the drive
F022
Option fault
the drive can be reset
1s after trouble
removal
wrongoption fitting
Fit the correct optional
module, try again
Option failure
Contact service center
F023
Reserved
−
−
F024
internal logic fault
turn off the IGBTs, and
the drive can reset 1s
after trouble removal
internal logic fault
contact service center