YASKAWA VS-606V7 Series Instruction Manual page 177

Fault Display
Digital RUN (Green)
Operator ALARM (Red)
176
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 error
Communication option
card model code error
Communication option
card DPRAM error
OPR (Operator connect-
ing fault)
CE (MEMOBUS com-
munications fault)
Description Causes and Corrective
Actions
Cycle power.
If the fault remains, replace
the Inverter.
• 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.
Cycle power after checking
the Digital Operator is se-
curely mounted. If the fault
remains, replace the Digital
Operator or Inverter.
Control circuit is not com-
bined with correct software.
(Contact your Yaskawa rep-
resentative.)
• Option card fault.
• Replace the option card.
• Confirm that any foreign
matters adhere to the
communication option
card.
Cycle power. If the fault re-
mains, replace the Inverter.
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.