User`s manual

94
Fault Display
Digital
Operator
RUN ALARM
(Green) (Red)
Inverter
Status
Explanation
Causes and
Corrective Actions
F05
F07
CE
Protective
Operation
Output is
shut OFF
and motor
coasts to
a stop.
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 inverter software
number.
—
(OFF)
• Insufficient power
supply voltage
• Control power supply
fault
• Hardware fault
Check the following :
• Power supply voltage
• Main circuit power
supply wiring is
connected.
• Terminal screws are
securely tightened.
• Control sequence.
Replace the inverter.
F06
CPF-05
A/D converter fault is
detected.
Cycle power.
If the fault remains,
replace the inverter.
CPF-07
Operator control circuit
(EEPROM or A/D
converter) fault
CE(MEMOBUS
communications fault)
Normal reception of
communication data is not
possible.
Check the communication
devices or communication
signals.
STP(Emergency stop)
The inverter stops
according to constant n04
after receiving the
emergency stop fault
signal.
Note : For display/clear of fault history, refer to page 34.
Cycle power.
If the fault remains,
replace the inverter.
Check the external circuit
(sequence).
S P
or
Stops
according to
constant