Instruction manual
141
Fault Display
Digital
Operator
RUN (Green)
ALARM (Red)
Inverter
Status
Explanation
Causes and
Corrective Actions
F05
F07
CPF-06
• Option card connecting
fault
• A non-corresponding
option card is connected.
Remove power to the
inverter.
Check the connection
of the digital operator .
Verify Software version
No. (n179).
F06
CPF-05
AD converter fault is
detected.
Cycle power.
If the fault remains,
replace the inverter.
CPF-07
Operator control circuit
(EEPROM or AD
converter) fault
Cycle power after checking
the digital operator is
securely mounted.
If the fault remains,
replace the digital operator
or inverter.
EF?
F00
F01
F04
EF1: External fault input
command from control
circuit terminal S1
EF2: External fault input
command from control
circuit terminal S2
EF3: External fault input
command from control
circuit terminal S3
EF4: External fault input
command from control
circuit terminal S4
EF5: External fault input
command from control
circuit terminal S5
EF6: External fault input
command from control
circuit terminal S6
EF7: External fault input
command from control
circuit terminal S7
CPF-00
Inverter cannot
communicate with the digital
operator for 5 sec. or more
when power is turned ON.
CPF-01
Transmission fault
occurred for 5 sec. or more
when transmission starts
with the digital operator.
CPF-04
EEPROM fault of inverter
control circuit is detected.
Cycle power after checking
the digital operator is
securely mounted.
If the fault remains,
replace the digital operator
or inverter.
Cycle power after checking
the digital operator is
securely mounted.
If the fault remains,
replace the digital operator
or inverter.
• Record all constant
data and initialize the
constants. (Refer to
page 32 for constant
initialization.)
• Cycle power.
If the fault remains,
replace the inverter.
Check the external circuit
(sequence).
Protective
Operation
Output is
shut OFF
and motor
coasts to
a stop.










