15.2 Alarm Displays
15.2.2 Troubleshooting Alarms
15-26
A40 hex:
System Initializa-
tion Error
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
A41 hex:
Communications
Device Initializa-
tion Error
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
A47 hex:
Loading Servo
Information Error
User parameter con-
figuration
(2700 hex)
was executed while a
utility function
(Fn
) was being
executed from the
Digital Operator or
S.
–
Turn the power supply
OFF and ON again.
–
The power supply
was turned ON or
user parameter con-
figuration
(2700 hex)
was executed when
an encoder was not
connected.
Check the wiring of the
encoder.
Turn OFF the power sup-
ply, correct the encoder
connection, and then turn
the power supply back
ON.
–
The power supply
was turned ON or
user parameter con-
figuration
(2700 hex)
was executed when
there was a Parame-
ter Setting Error
(alarm 040 hex).
Check the parameter
settings.
Correct the parameter
settings and turn the
power supply OFF and
ON again.
–
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
A48 hex:
EEPROM Param-
eter Data Error
The power supply
was shut OFF while
writing parameter set-
tings.
Check the timing of
shutting OFF the power
supply.
Initialize the parameter
settings (
restore default
parameters
(1011 hex))
and then set the parame-
ters again.
–
The number of times
that parameters were
written exceeded the
limit.
–
Repair or replace the
SERVOPACK. Recon-
sider the method for writ-
ing the parameters.
–
The power supply
voltage suddenly
dropped.
Measure the power
supply voltage.
Set the power supply volt-
age within the specified
range, and initialize the
parameter settings
(
restore default parame-
ters
(1011 hex)).
–
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
b33 hex:
Current Detec-
tion Error 3
A failure occurred in
the current detection
circuit.
–
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
–
bF0 hex:
System Alarm 0
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.
–
Continued on next page.
Continued from previous page.
Alarm Code:
Alarm Name
Possible Cause
Confirmation
Correction
Reference