5.2 FT41 Specification
5.2.6 Troubleshooting Warnings
5-102
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.)
The battery con-
nection is faulty or
a battery is not
connected.
Check the battery con-
nection.
Correct the battery connec-
tion.
*
The battery volt-
age is lower than
the specified value
(2.7 V).
Measure the battery
voltage.
Replace the battery.
*
A failure occurred
in the SERVO-
PACK.
–
The SERVOPACK may be
faulty. Replace the SERVO-
PACK.
–
A.942:
Speed Ripple Com-
pensation Informa-
tion Disagreement
The speed ripple
compensation
information stored
in the encoder
does not agree
with the speed
ripple compensa-
tion information
stored in the SER-
VOPACK.
–
Reset the speed ripple
compensation value on the
S.
*
–
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.
*
A.94A:
Data Setting Warn-
ing 1 (Parameter
Number Error)
An invalid param-
eter number was
used.
Check the command
that caused the warn-
ing.
Use the correct parameter
number.
*
A.94b:
Data Setting Warn-
ing 2 (Out of Range)
The set com-
mand data was
clamped to the
minimum or maxi-
mum value of the
setting range.
Check the command
that caused the warn-
ing.
Set the parameter within
the setting range.
*
A.94C:
Data Setting Warn-
ing 3 (Calculation
Error)
The calculation
result of the set-
ting is not correct.
Check the command
that caused the warn-
ing.
Set the parameter within
the setting range.
*
A.94d:
Data Setting Warn-
ing 4 (Parameter
Size)
The parameter
size set in the
command is not
correct.
Check the command
that caused the warn-
ing.
Set the correct parameter
size.
*
A.94E:
Data Setting Warn-
ing 5 (Latch Mode
Error)
A latch mode error
was detected.
Check the command
that caused the warn-
ing.
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.)
*
A.95A:
Command Warning
1 (Unsatisfied Com-
mand Conditions)
The command
conditions are not
satisfied.
Check the command
that caused the warn-
ing.
Send the command after
the command conditions
are satisfied.
*
A.95b:
Command Warning
2 (Unsupported
Command)
An unsupported
command was
received.
Check the command
that caused the warn-
ing.
Do not send unsupported
commands.
*
Continued on next page.
Continued from previous page.
Warning Number:
Warning Name
Possible Cause
Confirmation
Correction
Reference
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