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3.4 Command Option Attachable-type FT82 SERVOPACKs with INDEXER Modules
3.4.2 List of Alarms
3
Maintenance
3-149
A.C91
Encoder Communica-
tions Position Data
Acceleration Rate
Error
An error occurred in calculating the posi-
tion data of the encoder.
Gr.1
No
L
H
L
A.C92
Encoder Communica-
tions Timer Error
An error occurred in the communications
timer between the encoder and SERVO-
PACK.
Gr.1
No
A.CA0
Encoder Parameter
Error
The parameters in the encoder are cor-
rupted.
Gr.1
No
A.Cb0
Encoder Echoback
Error
The contents of communications with the
encoder are incorrect.
Gr.1
No
A.CC0
Multiturn Limit Dis-
agreement
Different multiturn limits have been set in
the encoder and the SERVOPACK.
Gr.1
No
A.CF1
Reception Failed Error
in Feedback Option
Module Communica-
tions
Receiving data from the Feedback Option
Module failed.
Gr.1
No
A.CF2
Timer Stopped Error
in Feedback Option
Module Communica-
tions
An error occurred in the timer for commu-
nications with the Feedback Option Mod-
ule.
Gr.1
No
A.d00
Position Deviation
Overflow
The setting of Pn520 (Excessive Position
Deviation Alarm Level) was exceeded by
the position deviation while the servo was
ON.
Gr.1
Yes
L
L
H
A.d01
Position Deviation
Overflow Alarm at
Servo ON
The servo was turned ON after the posi-
tion deviation exceeded the setting of
Pn526 (Excessive Position Deviation
Alarm Level at Servo ON) while the servo
was OFF.
Gr.1
Yes
A.d02
Position Deviation
Overflow Alarm for
Speed Limit at Servo
ON
If position deviation remains in the devia-
tion 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 refer-
ence is input and the setting of Pn520
(Excessive Position Deviation Alarm Level)
is exceeded before the limit is cleared.
Gr.2
Yes
A.d10
Motor-Load Position
Deviation Overflow
There was too much position deviation
between the motor and load during fully-
closed loop control.
Gr.2
Yes
A.d30
Position Data Over-
flow
The position feedback data exceeded
±
1,879,048,192.
Gr.1
No
A.E00
Command Option
Module IF Initializa-
tion
Timeout Error
Communications initialization failed
between the SERVOPACK and the Com-
mand Option Module.
Gr.2
Yes
H
L
L
A.E02
Command Option
Module IF
Synchroni-
zation Error 1
An synchronization error occurred
between the SERVOPACK and the Com-
mand Option Module.
Gr.1
Yes
A.E03
Command Option
Module IF Communi-
cations Data
Error
An error occurred in the data of commu-
nications between the SERVOPACK and
the Command Option Module.
Gr.1
Yes
A.E70
Command Option
Module Detection
Failure
Detection of the Command Option Mod-
ule failed.
Gr.1
No
Continued on next page.
Continued from previous page.
Alarm
Number
Alarm Name
Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?
Alarm Code Output
/ALO1 /ALO2 /ALO3