8 Fault Diagnosis
209
Protective
Operation
Output is
turned OFF
and motor
coasts to a
stop.
CPF-05
AD converter fault was de-
tected.
Cycle power.
If the fault remains, replace
the Inverter.
CPF-06
• Option card connection
fault
• A non-corresponding
option card is connected.
• Cycle power to the
Inverter after checking
the connection of the
Communication option
card.
• Verify Software Version
No. (n179).
• Check the applicable
Inverter software number
that is listed in the
instruction manual of the
Communications Option
Card.
CPF-07
Operator control circuit (EE-
PROM or AD converter) fault
Cycle power after checking
that the Digital Operator is
securely mounted. If the fault
remains, replace the Digital
Operator or Inverter.
CPF-11
Combination error
Control circuit is not com-
bined with correct software.
(Contact your OMRON rep-
resentative.)
Communication option
card self-diagnostic er-
ror
• Option card fault.
• Replace the option card.
• Confirm that no foreign
matter is on the Commu-
nications Option Card.
Communication option
card model code error
Communication option
card DPRAM error
OPR (Operator con-
necting fault)
Cycle power. If the fault re-
mains, replace the Inverter.
CE (MEMOBUS com-
munications fault)
Check the following:
• Communications
devices or communica-
tions signals.
• PLC is not faulty.
• Transmission cable is
connected properly.
• Any loose terminal
screws do not result in
improper contact.
• Wiring is made properly.
Fault Display Inverter
Status
Description Causes and Corrective
Actions
Digital
Operator
RUN (Green)
ALARM (Red)
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