110
For display/clear of fault history, refer to page 29.
Protective
Operation
Output is shut
OFF and motor
coasts to a
stop.
CPF-05
AD converter fault is detected
Cycle power.
If the fault remains,
replace the inverter.
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 (n179).
CPF-07
Operator control circuit
(EEPROM or AD converter)
fault
Cycle power. If the fault
remains, replace the
digital operator or
inverter.
CE (MEMOBUS
communications fault)
Normal reception of
communication data is not
possible.
Check the
communication devices
or communication
signals.
Stops
according to
parameter.
STP (Emergency stop)
The inverter stops according
to parameter n04 after
receiving the emergency stop
fault signal.
Check the external
circuit (sequence).
—
(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.
Alarm Display
Inverter
Status
Explanation
Causes and
Corrective Actions
Digital
Operator
RUN ALARM
(Green) (Red)
or
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