3.1 FT82 SERVOPACKs with Analog Voltage/Pulse Train References
3.1.2 List of Alarms
3-4
A.040
Parameter Setting Error
A parameter setting is out-
side of the setting range.
Gr.1
No
H
H
H
A.041
Encoder Output Pulse
Setting Error
The setting of Pn212
(Encoder Output Pulses) or
Pn281 (Encoder Output Res-
olution) is outside of the set-
ting range or does not satisfy
the setting conditions.
Gr.1
No
H
H
H
A.042
Parameter Combination
Error
The combination of some
parameters exceeds the set-
ting range.
Gr.1
No
H
H
H
A.044
Semi-Closed/Fully-Closed
Loop Control Parameter
Setting Error
The settings of the Option
Module and Pn002 =
n.X
(External Encoder
Usage) do not match.
Gr.1
No
H
H
H
A.050
Combination Error
The capacities of the SER-
VOPACK and Servomotor do
not match.
Gr.1
Yes
H
H
H
A.051
Unsupported Device
Alarm
An unsupported device was
connected.
Gr.1
No
H
H
H
A.0b0
Invalid Servo ON Com-
mand Alarm
The /S-ON (Servo ON) signal
was input from the host con-
troller after a utility function
that turns ON the Servomo-
tor was executed.
Gr.1
Yes
H
H
H
A.100
Overcurrent Detected
An overcurrent flowed
through the power trans-
former or the heat sink over-
heated.
Gr.1
No
L
H
H
A.101
Motor Overcurrent
Detected
The current to the motor
exceeded the allowable cur-
rent.
Gr.1
No
L
H
H
A.300
Regeneration Error
There is an error related to
regeneration.
Gr.1
Yes
L
L
H
A.320
Regenerative Overload
A regenerative overload
occurred.
Gr.2
Yes
L
L
H
A.330
Main Circuit Power Supply
Wiring Error
•
The AC power supply input
setting or DC power supply
input setting is not correct.
•
The power supply wiring is
not correct.
Gr.1
Yes
L
L
H
A.400
Overvoltage
The main circuit DC voltage
is too high.
Gr.1
Yes
H
H
L
A.410
Undervoltage
The main circuit DC voltage
is too low.
Gr.2
Yes
H
H
L
A.510
Overspeed
The motor exceeded the
maximum speed.
Gr.1
Yes
L
H
L
A.511
Encoder Output Pulse
Overspeed
The pulse output speed for
the setting of Pn212
(Encoder Output Pulses) was
exceeded.
Gr.1
Yes
L
H
L
A.520
Vibration Alarm
Abnormal oscillation was
detected in the motor speed.
Gr.1
Yes
L
H
L
A.521
Autotuning Alarm
Vibration was detected
during autotuning for the tun-
ing-less function.
Gr.1
Yes
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