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Alarms
Number
Alarm
of times
Alarm type
code
LED blinks
22h
3
Overvoltage
Main power
23h
3
supply OFF
25h
3
Undervoltage
26h
8
Motor overheat
28h
8
Sensor error
ABZO sensor
2Ah
8
communication
error
30h
2
Overload
31h
2
Overspeed
Absolute
33h
7
position error
258
Cause
• The main power supply
voltage exceeded the
permissible value.
• A large load inertia was
suddenly stopped.
• Vertical operation
(elevating operation) was
performed.
The main power supply was
shut off during operation.
The main power supply was
shut off momentarily or a
voltage was insufficient.
The detection temperature
of the ABZO sensor reached
the upper limit of the
specification value.
An error of the ABZO sensor
was detected during
operation.
An error occurred between
the driver and the ABZO
sensor.
The motor output power
reached the load factor to
detect the overload alarm.
Refer to p.263 for details.
The feedback speed of the
motor output shaft
exceeded the specification
value.
The home information of
the ABZO sensor was
damaged.
Remedial action
• Check the input voltage of
the main power supply.
• Reduce a load.
• Increase the acceleration/
deceleration time or slow
the acceleration/
deceleration rate.
• Connect the Oriental
Motor's regeneration
resistor RGB200.
Check if the main power
supply is properly supplied.
Check the input voltage of
the main power supply.
• Check the heat radiation
condition of the motor.
• Reconsider the ventilation
condition.
Turn off the main power
supply and the control
power supply, and check
the connection of the
motor. After that, turn on
the main power supply and
the control power supply
again.
Turn off the main power
supply and the control
power supply, and check
the connection of the ABZO
sensor. After that, turn on
the main power supply and
the control power supply
again.
• Reduce a load.
• Increase the acceleration/
deceleration time or slow
the acceleration/
deceleration rate.
• Check if the motor power
line is disconnected.
• Reconsider the "Electronic
gear A" parameter and the
"Electronic gear B"
parameter, and set the
speed of the motor output
shaft to less than the
specification value.
• If an overshoot is occurred
at the time of accelerating,
increase the acceleration
time or slow the
acceleration rate.
Execute the position preset
before setting the home
again.
Motor
How to reset
excitation
Turn on the
Non-
control power
excitation
supply again
Any of reset
Non-
operations
excitation
Any of reset
Non-
operations
excitation
Any of reset
Non-
operations
excitation
Turn on the
Non-
control power
excitation
supply again
Turn on the
Non-
control power
excitation
supply again
Any of reset
Non-
operations
excitation
Any of reset
Non-
operations
excitation
Turn on the
Non-
control power
excitation
supply again
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