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Fault Display
Digital
RUN ALARM
Operator
(Green) (Red)
F05
F06
F07
CE
S P
—
(OFF)
Note : For display/clear of fault history, refer to page 34.
94
Inverter
Status
CPF-05
A/D converter fault is
detected.
CPF-06
• Option card connecting
Protective
• A non-corresponding
Operation
Output is
shut OFF
CPF-07
and motor
coasts to
a stop.
CE(MEMOBUS
Normal reception of
communication data is not
possible.
STP(Emergency stop)
or
Stops
according to
• Insufficient power
constant
• Control power supply
• Hardware fault
Explanation
fault
option card is connected.
Operator control circuit
(EEPROM or A/D
converter) fault
communications fault)
The inverter stops
according to constant n04
after receiving the
emergency stop fault
signal.
supply voltage
fault
Causes and
Corrective Actions
Cycle power.
If the fault remains,
replace the inverter.
Remove power to the
inverter.
Check the connection
of the digital operator.
Verify inverter software
number.
Cycle power.
If the fault remains,
replace the inverter.
Check the communication
devices or communication
signals.
Check the external circuit
(sequence).
Check the following :
• Power supply voltage
• Main circuit power
supply wiring is
connected.
• Terminal screws are
securely tightened.
• Control sequence.
Replace the inverter.
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