14.2 Alarm Displays
14.2.1 List of Alarms
14-8
A.bF2 System Alarm 2
Internal program error 2 occurred in the SERVO-
PACK.
Gr.1 No
A.bF3 System Alarm 3
Internal program error 3 occurred in the SERVO-
PACK.
Gr.1 No
A.bF4 System Alarm 4
Internal program error 4 occurred in the SERVO-
PACK.
Gr.1 No
A.bF5 System Alarm 5
Internal program error 5 occurred in the SERVO-
PACK.
Gr.1 No
A.bF6 System Alarm 6
Internal program error 6 occurred in the SERVO-
PACK.
Gr.1 No
A.bF7 System Alarm 7
Internal program error 7 occurred in the SERVO-
PACK.
Gr.1 No
A.bF8 System Alarm 8
Internal program error 8 occurred in the SERVO-
PACK.
Gr.1 No
A.C10 Servomotor Out of Control The Servomotor ran out of control. Gr.1 Yes
A.C20 Phase Detection Error The detection of the phase is not correct. Gr.1 No
A.C21 Polarity Sensor Error An error occurred in the polarity sensor. Gr.1 No
A.C22
Phase Information Dis-
agreement
The phase information does not match. Gr.1 No
A.C50 Polarity Detection Failure The polarity detection failed. Gr.1 No
A.C51
Overtravel Detected
during Polarity Detection
The overtravel signal was detected during polarity
detection.
Gr.1 Yes
A.C52
Polarity Detection Not
Completed
The servo was turned ON before the polarity was
detected.
Gr.1 Yes
A.C53
Out of Range of Motion for
Polarity Detection
The travel distance exceeded the setting of
Pn48E (Polarity Detection Range).
Gr.1 No
A.C54
Polarity Detection Failure
2
The polarity detection failed. Gr.1 No
A.C80
Encoder Clear Error or
Multiturn Limit Setting
Error
The multiturn data for the absolute encoder was
not correctly cleared or set.
Gr.1 No
A.C90
Encoder Communications
Error
Communications between the encoder and SER-
VOPACK is not possible.
Gr.1 No
A.C91
Encoder Communications
Position Data Acceleration
Rate Error
An error occurred in calculating the position data
of the encoder.
Gr.1 No
A.C92
Encoder Communications
Timer Error
An error occurred in the communications timer
between the encoder and SERVOPACK.
Gr.1 No
A.CA0 Encoder Parameter Error The parameters in the encoder are corrupted. Gr.1 No
A.Cb0 Encoder Echoback Error
The contents of communications with the
encoder are incorrect.
Gr.1 No
A.CC0
Multiturn Limit Disagree-
ment
Different multiturn limits have been set in the
encoder and the SERVOPACK.
Gr.1 No
A.CF1
Reception Failed Error in
Feedback Option Module
Communications
Receiving data from the Feedback Option Mod-
ule failed.
Gr.1 No
A.CF2
Timer Stopped Error in
Feedback Option Module
Communications
An error occurred in the timer for communica-
tions with the Feedback Option Module.
Gr.1 No
A.d00
Position Deviation Over-
flow
The setting of Pn520 (Excessive Position Devia-
tion Alarm Level) was exceeded by the position
deviation while the servo was ON.
Gr.1 Yes
Continued on next page.
Continued from previous page.
Alarm
Number
Alarm Name Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?
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