Yaskawa SGDS Sigma III Servo Amplifier User Manual
Page 307
10 Inspection, Maintenance, and Troubleshooting
10.1.4 Troubleshooting of Alarm and Warning
10-18
* 1. This alarm occurs when the communications is still disabled five seconds after digital opera-
tor power supply is ON, or when digital operator communications disabled status stays while
an option unit is connected.
* 2. This alarm occurs when digital operator received data error occurs consecutively five times,
or when the state that digital operator receives no data from SERVOPACK for one second or
more occurs consecutively three times.
A.F10
Power Line
Open Phase
Occurred when the
control power
supply was turned
ON.
A SERVOPACK fault occurred.
Replace the SERVOPACK.
Occurred when the
main circuit power
supply was turned
ON.
The three-phase power supply wiring is incorrect.
Correct the power supply wiring.
The three-phase power supply is unbalanced.
Balance the power supply by changing phases.
A SERVOPACK fault occurred.
Replace the SERVOPACK.
Occurred when the
servomotor was
running.
The contact in three-phase power supply wiring is
faulty.
Correct the power supply wiring.
Three-phase power supply is unbalanced.
Balance the power supply.
A SERVOPACK fault occurred.
Replace the SERVOPACK.
CPF00
Digital
Operator
Transmission
Error 1
*1
Occurred when the
power supply was
turned ON with
digital operator
connected or
when connecting
digital operator with
the power supply
was turned ON.
The contact between the digital operator and the
SERVOPACK is faulty.
Insert securely the connector, or replace the cable.
The external noise interference occurred to the
digital operator or cable is faulty.
(The digital operator cable is near noise source)
Do not lay the cable near noise source.
Install digital operator far from noise source.
CPF01
Digital
Operator
Transmission
Error 2
*2
A digital operator fault occurred.
Replace the digital operator.
A SERVOPACK fault occurred.
Replace the SERVOPACK.
Table 10.3 Alarm Display and Troubleshooting (Cont’d)
Alarm
Display
Alarm Name
Situation at Alarm
Occurrence
Cause
Corrective Actions