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10
Faults
10.2 Process related faults
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/80
Table saw BS-350 LST, BS-400 LST-E230, BS-400 LST-E400, BS-500 LST
10.2
Process related faults
Table 6:
Process related faults
Fault
Possible causes
The direction of rotation of the cutting
blade is wrong.
The drive is incorrectly polarized. Turn the phases around at the
phase inverter.
Motor protection switch is closed in the control box.
The drive of the cutting head does
not start.
The fuse of the mains connection is defective.
The cable cross-section of the supply cable is too small.
The supply cable is damaged.
The drive is defective.
The drive does not have enough
power or the thermal overload relay
triggers.
The voltage of the mains connection does not match that of the mo-
tor.
Drive shuts off during the cutting pro-
cess. The machine can be switched
on again after a break.
The feed during the cutting process is too large.
The cut takes place.
The cutting blade is worn (dull).
The cutting blade used does not fit the workpiece. The workpiece
consists of overly hard material.
No cooling water on the cutting blade
The shut-off valve on the cooling water supply to the saw blade is
closed.
The level in the cooling water tank is too low
The water forks or spray nozzles are clogged.
The water pump is defective.
The cut takes place.
The cutting blade is not perpendicular to the cutting table.
The cutting blade has come off.
The cutting blade is worn (dull).
The cutting table does not run straight forward on the guide.
The drive is running, but the cutting
blade does not cut.
The cutting blade is worn (dull).
The cutting blade used does not fit the workpiece. The workpiece
consists of overly hard material.