YASKAWA SGD7S-R70A20A023F40B Product Manual page 190

5.2 FT41 Specification
5.2.6 Troubleshooting Warnings
Warning Number:
Warning Name
A.930:
Absolute Encoder
Battery Error (The
absolute encoder
battery voltage was
lower than the spec-
ified level.) (Detected
only when an abso-
lute encoder is con-
nected.)
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)
A.95b:
Command Warning
2 (Unsupported
Command)
5-102
Possible Cause Confirmation
The battery con-
nection is faulty or Check the battery con-
a battery is not nection.
connected.
The battery volt-
age is lower than Measure the battery
the specified value voltage.
(2.7 V).
A failure occurred
in the SERVO- –
PACK.
–
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.
An unsupported Check the command
command was that caused the warn-
received. ing.
Continued from previous page.
Correction
Correct the battery connec-
tion.
Replace the battery.
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
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 speed 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.
Do not send unsupported
commands.
Continued on next page.
Reference
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