12.2 Alarm Displays
12.2.1 List of Alarms
12-9
A.bF5 System Alarm 5
Internal program error 5
occurred in the SERVO-
PACK.
Gr.1 No H H H
A.bF6 System Alarm 6
Internal program error 6
occurred in the SERVO-
PACK.
Gr.1 No H H H
A.bF7 System Alarm 7
Internal program error 7
occurred in the SERVO-
PACK.
Gr.1 No H H H
A.bF8 System Alarm 8
Internal program error 8
occurred in the SERVO-
PACK.
Gr.1 No H H H
A.C10 Servomotor Out of Control
The Servomotor ran out of
control.
Gr.1 Yes L H L
A.C20 Phase Detection Error
The detection of the phase is
not correct.
Gr.1 No L H L
A.C21 Polarity Sensor Error
An error occurred in the
polarity sensor.
Gr.1 No L H L
A.C22
Phase Information Dis-
agreement
The phase information does
not match.
Gr.1 No L H L
A.C50 Polarity Detection Failure The polarity detection failed. Gr.1 No L H L
A.C51
Overtravel Detected
during Polarity Detection
The overtravel signal was
detected during polarity
detection.
Gr.1 Yes L H L
A.C52
Polarity Detection Not
Completed
The servo was turned ON
before the polarity was
detected.
Gr.1 Yes L H L
A.C53
Out of Range of Motion for
Polarity Detection
The travel distance exceeded
the setting of Pn48E (Polarity
Detection Range).
Gr.1 No L H L
A.C54
Polarity Detection Failure
2
The polarity detection failed. Gr.1 No L H L
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 L H L
A.C90
Encoder Communications
Error
Communications between
the encoder and SERVO-
PACK is not possible.
Gr.1 No L H L
A.C91
Encoder Communications
Position Data Acceleration
Rate Error
An error occurred in calculat-
ing the position data of the
encoder.
Gr.1 No L H L
A.C92
Encoder Communications
Timer Error
An error occurred in the com-
munications timer between
the encoder and SERVO-
PACK.
Gr.1 No L H L
A.CA0 Encoder Parameter Error
The parameters in the
encoder are corrupted.
Gr.1 No L H L
A.Cb0 Encoder Echoback Error
The contents of communica-
tions with the encoder are
incorrect.
Gr.1 No L H L
A.CC0
Multiturn Limit Disagree-
ment
Different multiturn limits have
been set in the encoder and
the SERVOPACK.
Gr.1 No L H L
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
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