12.2 Alarm Displays
12.2.1 List of Alarms
12-6
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 HHH
A.042
Parameter Combination
Error
The combination of some
parameters exceeds the set-
ting range.
Gr.1 No HHH
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 HHH
A.050 Combination Error
The capacities of the SER-
VOPACK and Servomotor do
not match.
Gr.1 Yes HHH
A.051
Unsupported Device
Alarm
An unsupported device was
connected.
Gr.1 No HHH
A.070
Motor Type Change
Detected
The connected motor is a dif-
ferent type of motor from the
previously connected motor.
Gr.1 No HHH
A.080
Linear Encoder Pitch Set-
ting Error
The setting of Pn282 (Linear
Encoder Pitch) has not been
changed from the default
setting.
Gr.1 No HHH
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 HHH
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
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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