YASKAWA SGD7S series Product Manual page 79

Alarm Number:
Possible Cause
Alarm Name
The speed of program
jogging went below
the setting range
when the electronic
gear ratio (Pn20E/
Pn210) or the Servo-
motor was changed.
The speed of program
jogging went below
the setting range
A.042:
when Pn533 or Pn585
Parameter Com-
(Program Jogging
bination Error
Movement Speed)
was changed.
The movement speed
of advanced autotun-
ing went below the
setting range when
the electronic gear
ratio (Pn20E/ Pn210)
or the Servomotor
was changed.
A.044:
The setting of the
Fully-Closed Module
Semi-Closed/
does not match the
Fully-Closed
setting of Pn002 =
Loop Control
n.X (External
Parameter
Encoder Usage).
Setting Error
The SERVOPACK and
Servomotor capaci-
A.050:
ties do not match
Combination
each other.
Error
(The capacities of
the SERVOPACK
A failure occurred in
and Servomotor
the encoder.
do not match.)
A failure occurred in
the SERVOPACK.
The motor parameter
file was not written to
the linear encoder.
(This applies only
when not using a
A.051:
Serial Converter Unit.)
Unsupported
An unsupported Serial
Device Alarm
Converter Unit or
encoder (e.g., an
external encoder) is
connected to the
SERVOPACK.
4.1 SERVOPACKs with Analog Voltage/Pulse Train References
Confirmation
Check to see if the
Decrease the setting of
*2
the electronic gear ratio
detection conditions
(Pn20E/Pn210).
are satisfied.
Check to see if the
Increase the setting of
*2
detection conditions
Pn533 or Pn585.
are satisfied.
Check to see if the
Decrease the setting of
*3
the electronic gear ratio
detection conditions
(Pn20E/Pn210).
are satisfied.
Make sure that the setting
Check the setting of of the Fully-closed Mod-
Pn002 = n.X. ule agrees with the setting
of Pn002 = n.X.
Check the capacities to
see if they satisfy the
Select a proper combina-
following condition:
tion of the SERVOPACK
Servomotor capacity and Servomotor capaci-
≤ ≤
1/4 4
ties.
SERVOPACK capacity
Replace the encoder
Replace the Servomotor
and check to see if the
or encoder.
alarm still occurs.
The SERVOPACK may be
– faulty. Replace the SER-
VOPACK.
Check to see if the
Write the motor parame-
motor parameter file
ter file to the linear
was written to the lin-
encoder.
ear encoder.
Check the product
Change to a correct com-
combination specifica-
bination of models.
tions.
4.1.3 Troubleshooting Alarms
Continued from previous page.
Correction Reference
*1
*1
*1
*1
*1
–
–
*1
–
Continued on next page.
4
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