HSD ES327 - Page 114

10 Troubleshooting
114
HSD S.p.A. © - 0110h00a.fm100713
Problems Cause Remedy
The tool holder does
not couple:
Foreign bodies
between the tool
holder and shaft-
spindle:
Remove the macroscopic impurities and clean
as described in section 7 “Programmed
maintenance”.
The tool holder cone
is not the correct
type:
Choose a tool holder according to the
indications described in section 6.5.1 “Tool
holder cone”.
The collet does not
open due to
insufficient pressure:
 Check the required pressure values in
section 4.6 “Pneumatic connections”.
 Check the integrity and efficiency of the
pneumatic circuit.
Sensor S1 and/or S2
are disconnected or
out of order:
 Check the connectors.
 Check the integrity and continuity of the
electrical connections.
 Regulate the sensor as described in section
8.4 “Replacement and adjustment of the
sensor unit”.
 Replace the defective sensor as described
in section 8.4 “Replacement and adjustment
of the sensor unit”.
The tool holder does
not eject:
Insufficient pressure:
 Check the required pressure values in
section 4.6 “Pneumatic connections”.
 Check the integrity and efficiency of the
pneumatic circuit.
Tool ejection enabling
denied:
Consult the manuals or the suppliers of the
machine, numerical control or inverter that is
connected to the electrospindle.
No pressurisation: Insufficient pressure
or pneumatic circuit
inefficient:
 Check the required pressure values in
section 4.6 “Pneumatic connections”.
 Check the integrity and efficiency of the
pneumatic circuit.
 Contact the manufacturer's assistance
service.
One of the sensors
does not supply the
required output:
Sensor disconnected
or faulty:
 Check the connectors.
 Check the integrity and continuity of the
electrical connections.
 Regulate the sensor as described in section
8.4 “Replacement and adjustment of the
sensor unit”.
 Replace the defective sensor as described
in section 8.4 “Replacement and adjustment
of the sensor unit”.