User`s manual

9.1 Troubleshooting
9-3
9
Troubleshooting
A.041
Encoder Output Pulse
Setting Error
Rotational
motors
The encoder output pulse setting
(pulse unit) (Pn212) is outside the
allowable setting range or does not
satisfy the setting conditions.
Gr.1 N/A
OFF
(open)
OFF
(open)
OFF
(open)
Linear
motors
The encoder output resolution set-
ting (Pn281) is outside the allow-
able setting range or does not
satisfy the setting conditions.
A.042
Parameter Combination
Error
Combination of some parameters exceeds the
setting range.
Gr.1 N/A
A.044
Semi-closed/Fully-
closed Loop Control
Parameter Setting Error
The settings of the feedback option module and
Pn00B.3, Pn002.3 do not match.
Gr.1 N/A
A.04A
Parameter Setting Error
2
There is an error in settings of parameters
reserved by the system.
Gr.1 N/A
A.050 Combination Error
The SERVOPACK and the servomotor capaci-
ties do not match each other.
Gr.1
Avail-
able
A.051
Unsupported Device
Alarm
The unsupported device unit was connected. Gr.1 N/A
A.080
Linear Scale Pitch
Setting Error
The setting of the linear scale pitch (Pn282) has
not been changed from the default setting.
Gr.1 N/A
A.0b0
Canceled Servo ON
Command Alarm
The host controller reference was sent to turn
the Servo ON after the Servo ON function was
used with the utility function.
Gr.1
Avail-
able
A.100
Overcurrent or Heat
Sink Overheated
An overcurrent flowed through the IGBT.
Heat sink of the SERVOPACK was overheated.
Gr.1 N/A
ON
(close)
OFF
(open)
OFF
(open)
A.300 Regeneration Error
Regenerative circuit or regenerative resistor is
faulty.
Gr.1
Avail-
able
ON
(close)
ON
(close)
OFF
(open)
A.320 Regenerative Overload
Regenerative energy exceeds regenerative
resistor capacity.
Gr
.2
Avail-
able
A.330
Mai
n Circuit Power
Supply Wiring Error
• Setting of AC input/DC input is incorrect.
• Power supply wiring is incorrect.
Gr.1
Avail-
able
A.400 Overvoltage Main circuit DC voltage is excessively high. Gr.1
Avail-
able
OFF
(open)
OFF
(open)
ON
(close)
A.410 Undervoltage Main circuit DC voltage is excessively low. Gr.2
Avail-
able
A.450
Main-Circuit
Capacitor Overvoltage
The capacitor of the main circuit has deterio-
rated or is faulty.
Gr.1 N/A
A.510 Overspeed
The servomotor speed is over the maximum
allowable speed.
Gr.1
Avail-
able
ON
(close)
OFF
(open)
ON
(close)
A.511
Overspeed of Encoder
Output Pulse Rate
Rotational
motors
The set value of the encoder output
pulse (Pn212) exceeds the speed
limit.
Gr.1
Avail-
able
Linear
motors
The set value of the encoder output
resolution (Pn281) exceeds the
speed limit.
A.520 Vibration Alarm
Rotational
motors
Vibration at the motor speed was
detected.
Gr.1
Avail-
able
Linear
motors
Vibration at the motor speed was
detected.
A.521 Autotuning Alarm
Vibration was detected while performing tun-
ing-less function.
Gr.1
Avail-
able
A.550
Maximum Speed
Setting Error
The Pn385 setting is greater than the maximum
speed.
Gr.1
Avail-
able
Alarm
Display
Alarm Name Meaning
Servomotor
Stop
Method
Alarm
Reset
Alarm Code Output
/ALO1 /ALO2 /ALO3