Instruction manual

8. Fault Diagnosis
173
Protective
Operation
Output is
turned OFF
and motor
coasts to a
stop.
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 described in the
instruction manual of the
communications option
card.
CPF-07
Operator control circuit (EE-
PROM or AD converter) fault
Cycle power after checking
the Digital Operator is se-
curely 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 Yaskawa rep-
resentative.)
Communication option
card self diagnostic error
• Option card fault.
• Replace the option card.
• Confirm that any foreign
matters adhere to the
communication option
card.
Communication option
card model code error
Communication option
card DPRAM error
OPR (Operator connect-
ing 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)