Yaskawa J7 Drive - Manual (Page 80)

6-7
Fault Display
Digital RUN (Green)
Drive
Explanation
Causes and
Operator ALARM (Red)
Status Corrective Actions
CPF-05 Cycle power.
A/D converter fault is If the fault remains,
detected. replace the drive.
CPF-06 Remove power to the
Option card connecting fault drive.
Check the connection
Protective
of the digital operator.
Operation. CPF-07 Cycle power after checking
Output is Operator control circuit the digital operator is
shut OFF (EEPROM or A/D securely mounted.
and motor converter) fault If the fault remains,
coasts to replace the digital operator
a stop. or drive.
OPR (Operator Cycle power.
connecting fault) If the fault remains,
replace the drive.
CE (MODBUS Check the communication
communications fault) devices or communication
signals.
STP (Fast stop) Check the external circuit
The drive stops (sequence).
according to parameter
n04 after receiving the
emergency stop fault
signal.
Stops
according to
• Insufficient power Check the following:
parameter.
supply voltage • Power supply voltage
• Control power supply • Main circuit power
fault supply wiring is
• Hardware fault connected.
• Terminal screws are
securely tightened.
• Control sequence.
Replace the drive.
Table 6-2. Fault Displays and Corrective Actions - Continued
For display/clear of fault history, refer to page 4-4.
or
__
(OFF)