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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
A.042:
the setting range
when Pn533 or Pn585
Parameter Com-
(Program Jogging
bination Error
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/
Fully-Closed
does not match the
Loop Control
setting of Pn002 =
Parameter
n.X (External
Setting Error
Encoder Usage).
The SERVOPACK and
Servomotor capaci-
ties do not match
A.050:
each other.
Combination
Error (The capaci-
ties of the SER-
A failure occurred in
VOPACK and
the encoder.
Servomotor 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.
Confirmation
Check to see if the
Decrease the setting of
*1
the electronic gear ratio
detection conditions
(Pn20E/Pn210).
are satisfied.
Check to see if the
Increase the setting of
*1
detection conditions
Pn533 or Pn585.
are satisfied.
Check to see if the
Decrease the setting of
*2
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
Select a proper combina-
see if they satisfy the
tion of the SERVOPACK
following condition:
and Servomotor capaci-
Servomotor capacity
≤
≤
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 SERVO-
PACK.
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.
12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Continued from previous page.
Reference
Correction
for Correc-
tion
page 5-47
page 7-20
page 5-47
page 10-6
–
–
–
page 5-20
–
12
12-13
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Table of Contents
Troubleshooting
