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5.2 List of Alarms
Alarm
Number
A.C90
A.C91
A.C92
A.CA0
A.Cb0
A.CC0
A.CF1
A.CF2
A.d00
A.d01
A.d02
A.d10
A.d30
A.E02
A.E40
A.E41
A.E42
A.E50*
A.E51
5-6
Alarm Name
Encoder Communications
Error
Encoder Communications
Position Data Acceleration
Rate Error
Encoder Communications
Timer Error
Encoder Parameter Error
Encoder Echoback Error
Multiturn Limit Disagree-
ment
Reception Failed Error in
Feedback Option Module
Communications
Timer Stopped Error in
Feedback Option Module
Communications
Position Deviation Over-
flow
Position Deviation Over-
flow Alarm at Servo ON
Position Deviation Over-
flow Alarm for Speed Limit
at Servo ON
Motor-Load Position Devi-
ation Overflow
Position Data Overflow
MECHATROLINK Internal
Synchronization Error 1
MECHATROLINK Trans-
mission Cycle Setting
Error
MECHATROLINK Commu-
nications Data Size Set-
ting Error
MECHATROLINK Station
Address Setting Error
MECHATROLINK Syn-
chronization Error
MECHATROLINK Syn-
chronization Failed
Alarm Meaning
Communications between the encoder and SER-
VOPACK is not possible.
An error occurred in calculating the position data
of the encoder.
An error occurred in the communications timer
between the encoder and SERVOPACK.
The parameters in the encoder are corrupted.
The contents of communications with the
encoder are incorrect.
Different multiturn limits have been set in the
encoder and the SERVOPACK.
Receiving data from the Feedback Option Mod-
ule failed.
An error occurred in the timer for communica-
tions with the Feedback Option Module.
The setting of Pn520 (Position Deviation Overflow
Alarm Level) was exceeded by the position devia-
tion while the servo was ON.
The servo was turned ON after the position devi-
ation exceeded the setting of Pn526 (Position
Deviation Overflow Alarm Level at Servo ON)
while the servo was OFF.
If position deviation remains in the deviation
counter, the setting of Pn529 or Pn584 (Speed
Limit Level at Servo ON) limits the speed when
the servo is turned ON. This alarm occurs if a
position reference is input and the setting of
Pn520 (Position Deviation Overflow Alarm Level)
is exceeded before the limit is cleared.
There was too much position deviation between
the motor and load during fully-closed loop con-
trol.
The position feedback data exceeded
±1,879,048,192.
A synchronization error occurred during MECHA-
TROLINK communications with the SERVO-
PACK.
The setting of the MECHATROLINK communica-
tions transmission cycle is not correct.
The setting of the MECHATROLINK communica-
tions data size is not correct.
The setting of the MECHATROLINK station
address is not correct.
A synchronization error occurred during MECHA-
TROLINK communications.
Synchronization failed during MECHATROLINK
communications.
Continued from previous page.
Servo-
Alarm
motor
Reset
Stop-
Possi-
ping
ble?
Method
Gr.1
No
Gr.1
No
Gr.1
No
Gr.1
No
Gr.1
No
Gr.1
No
Gr.1
No
Gr.1
No
Gr.1
Yes
Gr.1
Yes
Gr.2
Yes
Gr.2
Yes
Gr.1
No
Gr.1
Yes
Gr.2
Yes
Gr.2
Yes
Gr.2
No
Gr.2
Yes
Gr.2
Yes
Continued on next page.
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Table of Contents
Troubleshooting
