YASKAWA SGM7D-30F Product Manual page 281

3.5 FT83 SERVOPACKs with Analog Voltage/Pulse Train References
3.5.3 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.042:
Parameter Com-
bination Error
A.044:
Semi-Closed/
Fully-Closed
Loop Control
Parameter
Setting Error
A.04A:
Parameter Set-
ting Error 2
A.050:
Combination
Error
(The capacities of
the SERVOPACK
and Servomotor
do not match.)
A.051:
Unsupported
Device Alarm
A.0b0:
Invalid Servo ON
Command Alarm
3-212
Possible Cause
The speed of program
jogging went below
Check to see if the
the setting range
when the electronic
detection conditions
gear ratio (Pn20E/
are satisfied.
Pn210) or the Servo-
motor was changed.
The speed of program
jogging went below
Check to see if the
the setting range
detection conditions
when Pn533 or Pn585
are satisfied.
(Program Jogging
Speed) was changed.
The movement speed
of advanced autotun-
ing went below the
Check to see if the
setting range when
detection conditions
the electronic gear
are satisfied.
ratio (Pn20E/ Pn210)
or the Servomotor
was changed.
The setting of the
Fully-Closed Module
does not match the Check the setting of
setting of Pn002 = Pn002 = n.X.
n.X (External
Encoder Usage).
A parameter reserved
by the system was –
changed.
Confirm that the follow-
The SERVOPACK and
ing condition is met:
Servomotor capaci-
1/4 ≤ (Servomotor
ties do not match
capacity/SERVOPACK
each other.
capacity) ≤ 4
Replace the encoder
A failure occurred in
and check to see if the
the encoder.
alarm still occurs.
A failure occurred in
–
the SERVOPACK.
An unsupported Serial
Converter Unit or
Check the product
encoder (e.g., an
combination specifica-
external encoder) is
tions.
connected to the
SERVOPACK.
The /S-ON (Servo ON)
signal was input from
the host controller
after a utility function –
that turns ON the Ser-
vomotor was exe-
cuted.
Confirmation
Decrease the setting of
*2
the electronic gear ratio
(Pn20E/Pn210).
Increase the setting of
*2
Pn533 or Pn585.
Decrease the setting of
*3
the electronic gear ratio
(Pn20E/Pn210).
Make sure that the setting
of the Fully-closed Mod-
ule agrees with the setting
of Pn002 = n.X.
Set the following reserved
parameters to the default
settings.
Pn200.2
Pn207.1
Pn50A.0
Pn50A.1
Pn50A.2
Pn50C
Pn50D
Select a proper combina-
tion of the SERVOPACK
and Servomotor capaci-
ties.
Replace the Servomotor
or encoder.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
Change to a correct com-
bination of models.
Turn the power supply to
the SERVOPACK OFF and
ON again. Or, execute a
software reset.
Continued from previous page.
Correction Reference
*1
*1
*1
*1
–
*1
–
–
–
–
Continued on next page.