YASKAWA SGD7S-1R9D Product Manual page 506

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