Omron VARISPEED V7 User Manual page 210

Fault Display
Digital RUN (Green)
Operator ALARM (Red)
Inverter
Status
CPF-05
Protective
Operation
AD converter fault was de-
Output is
tected.
turned OFF
and motor
CPF-06
coasts to a
• Option card connection
stop.
fault
• A non-corresponding
option card is connected.
CPF-07
Operator control circuit (EE-
PROM or AD converter) fault
CPF-11
Combination error
Communication option
card self-diagnostic er-
ror
Communication option
card model code error
Communication option
card DPRAM error
OPR (Operator con-
necting fault)
CE (MEMOBUS com-
munications fault)
Description
Cycle power.
If the fault remains, replace
the Inverter.
Cycle power after checking
that the Digital Operator is
securely mounted. If the fault
remains, replace the Digital
Operator or Inverter.
Control circuit is not com-
bined with correct software.
(Contact your OMRON rep-
resentative.)
Cycle power. If the fault re-
mains, replace the Inverter.
Check the following:
8 Fault Diagnosis
Causes and Corrective
Actions
• 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.
• Option card fault.
• Replace the option card.
• Confirm that no foreign
matter is on the Commu-
nications Option Card.
• 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.
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