User`s manual

7 TROUBLESHOOTING
33
7 TROUBLESHOOTING
7.1 Inverter Errors
The following table outlines the faults displayed in the Drive’s operator and their causes and corrective actions.
Refer to the Drive instruction manual for any faults displayed in the operator other than those described below.
Display Meaning Cause Corrective Action
OPE05
Sequence Select
Option card
selection error
The Option card was selected as
the frequency reference source
by setting b1-01 to 3, but an
Option card is not connected.
Connect the Option card to the 2CN connector
on the inverter control board.
BUS
Option Com Err
Option card
Transmission
Error
Disconnection of the transmission
line
PLC power supply is not turned
ON or reset.
Confirm that the communications cable is
connected.
Check the PLC.
EF0
Opt External Flt
External fault
from option
card
External fault is input from the
PLC.
Turn OFF the external fault input.
CPF06
Option Error
Option card
connection
error
The Inverter and the Option card
are not connected correctly.
Turn OFF the inverter power supply and
confirm the Option card and Inverter
connection. Then turn ON the power supply
again.
Replace the Option card if the fault occurs
again.
CPF20
Option A/D Error
Option card
A/D converter
error
The Inverter and the Option card
are not connected properly.
The option card A/D converter
is faulty.
Turn OFF the inverter power supply and
confirm the Option card and Inverter
connection. Then turn ON the power supply
again.
Replace the Option card if the fault occurs
again.
CPF21
Option CPU
down
Communication
Option card self
diagnostic error
CPF22
Option Type Err
Communication
Option card
model code
error
CPF23
Option DPRAM
Err
Communication
Option card
DPRAM error
Option card fault Turn ON the inverter power supply again.
Replace the Option card if the fault occurs
again.