Yaskawa Sigma-5 User Manual: Design and Maintenance - Linear Motors MECHATROLINK-III Communications Reference - Manual (Page 284)

8.1 Alarm Displays
8-23
8
Trou
blesh
ooting
A.F10:
Main Circuit Cable
Open Phase
(With the main power
supply ON, voltage was
low for more than 1 sec-
ond in an R, S, or T
phase.)
(Detected when the main
power supply was turned
ON.)
The three-phase power supply
wiring is incorrect.
Check the power supply wiring.
Confirm that the power supply is
correctly wired.
The three-phase power supply is
unbalanced.
Measure the voltage at each phase
of the three-phase power supply.
Balance the power supply by chang-
ing phases.
A single-phase power is input
without setting Pn00B.2 (power
supply method for three-phase
SERVOPACK) to 1 (single-phase
power supply).
Check the power supply and the
parameter setting.
Match the parameter setting to the
power supply.
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
A.F50:
Servomotor Main
Circuit Cable
Disconnection
(The servomotor did not
operate or power was not
supplied to the servomo-
tor even though the
SV_ON (Servo ON)
command was input
when the servomotor
was ready to receive it.)
A SERVOPACK fault occurred. −
The SERVOPACK may be faulty.
Replace the SERVOPACK.
The wiring is not correct or there
is a faulty contact in the motor
wiring.
Check the wiring.
Make sure that the servomotor is
correctly wired.
FL-1
*2
:
System Alarm
SERVOPACK failure
− Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
FL-2 *2 :
System Alarm
−
CPF00:
Digital Operator
Transmission Error 1
The contact between the digital
operator and the SERVOPACK is
faulty.
Check the connector contact.
Insert securely the connector or
replace the cable.
Malfunction caused by noise
interference.
−
Keep the digital operator or the
cable away from noise sources.
CPF01:
Digital Operator
Transmission Error 2
A digital operator fault occurred. −
Disconnect the digital operator and
then re-connect it. If the alarm still
occurs, the digital operator may be
faulty. Replace the digital operator.
A SERVOPACK fault occurred. −
Turn the power supply OFF and
then ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
∗2. These alarms are not stored in the alarm history and are displayed only in the panel display.
(cont’d)
Alarm Number:
Alarm Name
(Alarm Description)
Cause Investigative Actions Corrective Actions