10.1 Alarm and Warning Displays
10.1.2 List of Alarms
10-4
A.850 Encoder Overspeed
There is an error in the differential data (encoder
speed information) for the encoder position.
No
A.B31 Current Detection Error 1
An error occurred in the current detection cir-
cuit.
No
A.BF0 System Alarm 0
Internal program error 0 occurred in the SER-
VOPACK.
No
A.BF1 System Alarm 1
Internal program error 1 occurred in the SER-
VOPACK.
No
A.BF3 System Alarm 3
Internal program error 3 occurred in the SER-
VOPACK.
No
A.BF4 System Alarm 4
Internal program error 4 occurred in the SER-
VOPACK.
No
A.C10 Servomotor Out of Control The Servomotor ran out of control. Yes
A.D00 Position Deviation Overflow
The setting of Pn520 (Excessive Position Devia-
tion Alarm Level) was exceeded by the position
deviation in the SERVO ON state.
Yes
A.D01
Position Deviation Overflow
Alarm at SERVO ON
The SERVO ON state was entered after the
position deviation exceeded the setting of
Pn526 (Excessive Position Deviation Alarm
Level at SERVO ON) in the SERVO OFF state.
Yes
A.D02
Position Deviation Overflow
Alarm for Speed Limit at SERVO
ON
If position deviation remains in the deviation
counter, the setting of Pn529 (Speed Limit
Level at SERVO ON) will limit the speed in the
SERVO ON state. This alarm occurs if a refer-
ence is input and the setting of Pn520 (Exces-
sive Position Deviation Alarm Level) is exceeded
before the limit is cleared.
Yes
A.E19 Program Table Checksum Error
The program table was not correctly stored in
flash memory.
Yes
A.E1A Program Table Version Mismatch
The combination of firmware and program table
versions is wrong.
Yes
A.E1B
Program Table Out of Range
Alarm
A value in the program table exceeds the set-
ting range.
Yes
A.E1C ZONE Table Checksum Error
The ZONE table was not correctly stored in
flash memory.
Yes
A.E1D ZONE Table Version Mismatch
The combination of firmware and ZONE table
versions is wrong.
Yes
A.E1E ZONE Table Out of Range Alarm
A value in the ZONE table exceeds the setting
range.
Yes
A.E1F Jog Table Checksum Error
The jog speed table was not correctly stored in
flash memory.
Yes
A.E21 Jog Table Version Mismatch
The combination of firmware and jog speed
table versions is wrong.
Yes
A.E22 Jog Table Out of Range Alarm
A value in the jog speed table exceeds the set-
ting range.
Yes
A.E24 Homing Failure Homing failed for pressing homing. Yes
A.E25 Homing Overspeed
The speed during axis movement for pressing
homing was two times the homing creep speed
or higher.
Note: The lower limit for checking is 50 min
-1
. If the
homing creep speed is low, a check is made for
50 min
-1
.
Yes
Continued from previous page.
Alarm
Number
Alarm Name Alarm Meaning
Alarm Reset
Possible?
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