3.5 FT83 SERVOPACKs with Analog Voltage/Pulse Train References
3.5.2 List of Alarms
3-206
A.041
Encoder Output Pulse
Setting Error
The setting of Pn212 (Encoder Output
Pulses) or Pn281 (Encoder Output Reso-
lution) is outside of the setting range or
does not satisfy the setting conditions.
Gr.1
No
H
H
H
A.042
Parameter Combina-
tion Error
The combination of some parameters
exceeds the setting range.
Gr.1
No
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
A.04A
Parameter Setting
Error 2
There is an error in setting of parameters
reserved by the system.
Gr.1
No
A.050
Combination Error
The capacities of the SERVOPACK and
Servomotor do not match.
Gr.1
Yes
A.051
Unsupported Device
Alarm
An unsupported device was connected.
Gr.1
No
A.0b0
Invalid Servo ON
Command Alarm
The /S-ON (Servo ON) signal was input
from the host controller after a utility func-
tion that turns ON the Servomotor was
executed.
Gr.1
Yes
A.100
Overcurrent Detected
An overcurrent flowed through the power
transformer or the heat sink overheated.
Gr.1
No
L
H
H
A.101
Motor Overcurrent
Detected
The current to the motor exceeded the
allowable current.
Gr.1
No
A.300
Regeneration Error
There is an error related to regeneration.
Gr.1
Yes
L
L
H
A.320
Regenerative Over-
load
A regenerative overload occurred.
Gr.2
Yes
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
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
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
A.520
Vibration Alarm
Abnormal oscillation was detected in the
motor speed.
Gr.1
Yes
A.521
Autotuning Alarm
Vibration was detected during autotuning
for the tuning-less function.
Gr.1
Yes
A.550
Maximum Speed Set-
ting Error
The setting of Pn385 (Maximum Motor
Speed) is greater than the maximum
motor speed.
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?
Alarm Code Output
/ALO1 /ALO2 /ALO3