YASKAWA SGM7D-30F Product Manual page 203

3.3 FT82 SERVOPACK with MECHATROLINK-III Communications References
3.3.6 Troubleshooting Warnings
Warning Number:
Warning Name
A.93B:
Overheat Warning
A.942:
Speed Ripple Com-
pensation Informa-
tion Disagreement
A.94A:
Data Setting Warn-
ing 1 (Parameter
Number Error)
A.94b:
Data Setting Warn-
ing 2 (Out of Range)
A.94C:
Data Setting Warn-
ing 3 (Calculation
Error)
A.94d:
Data Setting Warn-
ing 4 (Parameter
Size)
A.94E:
Data Setting Warn-
ing 5 (Latch Mode
Error)
A.95A:
Command Warning
1 (Unsatisfied Com-
mand Conditions)
3-134
Possible Cause Confirmation
The surrounding Check the surrounding
temperature is too temperature using a
high. thermostat.
Operation was Use the accumulated
performed under load ratio to check the
an excessive load. load during operation.
A failure occurred
in the SERVO- –
PACK.
The sensor
attached to the –
machine is faulty.
–
The speed ripple
compensation
information stored
in the encoder
–
does not agree
with the speed
ripple compensa-
tion information
stored in the SER-
–
VOPACK.
An invalid param- Check the command
eter number was that caused the warn-
used. ing.
The set com-
mand data was
Check the command
clamped to the
that caused the warn-
minimum or maxi-
ing.
mum value of the
setting range.
The calculation Check the command
result of the set- that caused the warn-
ting is not correct. ing.
The parameter
Check the command
size set in the
that caused the warn-
command is not
ing.
correct.
Check the command
A latch mode error
that caused the warn-
was detected.
ing.
The command Check the command
conditions are not that caused the warn-
satisfied. ing.
Continued from previous page.
Correction
Lower the surrounding tem-
perature by improving the
installation conditions of the
machine.
Reconsider the load and
operating conditions.
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
The sensor attached to the
machine may be faulty.
Repair the sensor attached
to the machine.
Reset the speed ripple
compensation value on the
SigmaWin+.
Set Pn423 to n.1 (Do
not detect A.942 alarms).
However, changing the set-
ting may increase the speed
ripple.
Set Pn423 to n.0
(Disable torque ripple com-
pensation). However,
changing the setting may
increase the speed ripple.
Use the correct parameter
number.
Set the parameter within
the setting range.
Set the parameter within
the setting range.
Set the correct parameter
size.
Change the setting of
Pn850 or the LT_MOD data
for the LTMOD_ON com-
mand sent by the host con-
troller to an appropriate
value.
(The applies when using the
MECHATROLINK-II-com-
patible profile.)
Send the command after
the command conditions
are satisfied.
Continued on next page.
Reference
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