The VFD over-current protection
triggered.
Refer to the VFD's manual or contact
its manufacturers.
No electrospindle start signal
Refer to the manual, or contact the
manufacturers of the machine, digital
controller and VFD.
Sensor S1 disconnected or faulty
Check sensor connector.
Check whether the sensor cable is
broken. Calibrate the sensor
according to the instructions.
Replace any faulty sensors in
accordance with the instructions.
The tool-holder is
not expelled:
Insufficient air pressure
Check the required pressure
values.
Check the integrity and efficiency of
the pneumatic circuit.
No triggered signal
Refer to the manual, or contact the
manufacturers of the machine, digital
controller and VFD.
Lack of
pressurization:
Insufficient pressure or inefficient
pneumatic circuit:
Check the required pressure
values
Check the integrity and efficiency
of the pneumatic circuit;
One of the sensors Sensor disconnected or faulty:
does not provide the
required output:
Check the sensor connection.
Check the integrity and continuity
of the electrical connectors;
Carry out the adjustment of the
sensor as described.
Replace the sensor as described.
The electrospindle The cooling fan is not working
overheats:
properly
Check the electric fan is
operational;
Check the electric fan is integral;
Check that the rotation of the
electric fan is not obstructed by
foreign matter;
Replace the electric fan if it is faulty
The passages where the cooling air
goes through the framework of the
electrospindle are obstructed:
Disassemble the electric fan.
Check and free the passages
where the cooling air goes through
the framework of the
electrospindle;
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