8.1 Alarm Displays
8.1.1 List of Alarms
8-7
A.E71
Safety Option Module
Detection Failure
Detection of the safety option module
failed.
Gr.1 No
HLL
A.E72
Feedback Option
Module Detection
Failure
Detection of the Feedback Option Mod-
ule failed.
Gr.1 No
A.E74
Unsupported Safety
Option Module
An unsupported safety option module
was connected.
Gr.1 No
A.E75
Unsupported Feed-
back Option Module
An unsupported feedback option module
was connected.
Gr.1 No
A.Eb1
Safety Function Sig-
nal Input Timing Error
An error occurred in the input timing of
the safety function signal.
Gr.1 No
A.EC8 Gate Drive Error 1 An error occurred in the gate drive circuit. Gr.1 No
A.EC9 Gate Drive Error 2 An error occurred in the gate drive circuit. Gr.1 No
A.EF9 INDEXER Alarm An alarm occurred in the INDEXER. Gr.1 Yes
HLH
A.F10
Power Supply Line
Open Phase
The voltage was low for more than one
second for phase R, S, or T when the
main power supply was ON.
Gr.2 Yes
A.F50
Servomotor Main Cir-
cuit Cable Disconnec-
tion
The Servomotor did not operate or power
was not supplied to the Servomotor even
though the /S-ON signal was input when
the Servomotor was ready to receive it.
Gr.1 Yes
FL-1
*
System Alarm
An internal program error occurred in the
SERVOPACK.
–No
Invalid
FL-2
*
FL-3
*
FL-4
*
FL-5
*
FL-6
*
CPF00
Digital Operator Com-
munications Error 1
Communications were not possible
between the Digital Operator (model:
JUSP-OP05A-1-E) and the SERVOPACK
(e.g., a CPU error occurred).
–No
CPF01
Digital Operator Com-
munications Error 2
* These alarms are not stored in the alarm history. They are only displayed on the panel display.
Note: The A.Eb0, A.Eb2 to A.Eb9, and A.EC0 to A.EC2 alarms can occur when a Safety Module is connected. Refer to the fol-
lowing manual for details.
AC Servo Drive
Σ
-V-Series/
Σ
-V-Series for Large-Capacity Models/
Σ
-7-Series User’s Manual Safety Module (Manual No.: SIEP
C720829 06)
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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