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12.2 Alarm Displays
12.2.1 List of Alarms
Alarm
Number
A.041
A.042
A.044
A.050
A.051
A.070
A.080
A.0b0
A.100
A.101
A.300
A.320
A.330
A.400
A.410
A.510
12-6
Alarm Name
Encoder Output Pulse
Setting Error
Parameter Combination
Error
Semi-Closed/Fully-Closed
Loop Control Parameter
Setting Error
Combination Error
Unsupported Device
Alarm
Motor Type Change
Detected
Linear Encoder Pitch Set-
ting Error
Invalid Servo ON Com-
mand Alarm
Overcurrent Detected
Motor Overcurrent
Detected
Regeneration Error
Regenerative Overload
Main Circuit Power Supply
Wiring Error
Overvoltage
Undervoltage
Overspeed
Alarm Meaning
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.
The combination of some
parameters exceeds the set-
ting range.
The settings of the Option
Module and Pn002 =
n.X (External Encoder
Usage) do not match.
The capacities of the SER-
VOPACK and Servomotor do
not match.
An unsupported device was
connected.
The connected motor is a dif-
ferent type of motor from the
previously connected motor.
The setting of Pn282 (Linear
Encoder Pitch) has not been
changed from the default
setting.
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.
An overcurrent flowed
through the power trans-
former or the heat sink over-
heated.
The current to the motor
exceeded the allowable cur-
rent.
There is an error related to
regeneration.
A regenerative overload
occurred.
• The AC power supply input
setting or DC power supply
input setting is not correct.
• The power supply wiring is
not correct.
The main circuit DC voltage
is too high.
The main circuit DC voltage
is too low.
The motor exceeded the
maximum speed.
Continued from previous page.
Servo-
Alarm Code
Alarm
motor
Output
Reset
Stop-
Possi-
ping
ALO1 ALO2 ALO3
ble?
Method
Gr.1
No
H
Gr.1
No
H
Gr.1
No
H
Gr.1
Yes
H
Gr.1
No
H
Gr.1
No
H
Gr.1
No
H
Gr.1
Yes
H
Gr.1
No
L
Gr.1
No
L
Gr.1
Yes
L
Gr.2
Yes
L
Gr.1
Yes
L
Gr.1
Yes
H
Gr.2
Yes
H
Gr.1
Yes
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
L
H
L
H
H
L
H
L
H
L
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Table of Contents
Troubleshooting
