14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
14-41
A.F10:
Power Supply
Line Open Phase
(The voltage was
low for more than
one second for
phase R, S, or T
when the main
power supply
was ON.)
The three-phase
power supply wiring is
not correct.
Check the power sup-
ply wiring.
Make sure that the power
supply is correctly wired.
page 4-11
The three-phase
power supply is
unbalanced.
Measure the voltage for
each phase of the
three-phase power sup-
ply.
Balance the power sup-
ply by changing phases.
–
A single-phase power
supply was input with-
out specifying a sin-
gle-phase AC power
supply input (Pn00B =
n.1).
Check the power sup-
ply and the parameter
setting.
Match the parameter set-
ting to the power supply.
page 4-11
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
A.F50:
Servomotor Main
Circuit Cable Dis-
connection (The
Servomotor did
not operate or
power was not
supplied to the
Servomotor even
though the Servo
ON command
was input when
the Servomotor
was ready to
receive it.)
A failure occurred in
the SERVOPACK.
–
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
–
The wiring is not cor-
rect or there is a faulty
contact in the motor
wiring.
Check the wiring.
Make sure that the Servo-
motor is correctly wired.
page 4-25
FL-1
*4
:
System Alarm
A failure occurred in
the SERVOPACK.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
FL-2
*4
:
System Alarm
FL-3
*4
:
System Alarm
FL-4
*4
:
System Alarm
FL-5
*4
:
System Alarm
FL-6
*4
:
System Alarm
CPF00:
Digital Operator
Communications
Error 1
There is a faulty con-
tact between the Digi-
tal Operator and the
SERVOPACK.
Check the connector
contact.
Disconnect the connec-
tor and insert it again. Or,
replace the cable.
–
A malfunction was
caused by noise.
–
Keep the Digital Operator
or the cable away from
sources of noise.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference
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