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10.1 Faults
Malfunction Fault Remedy
Wet grinding belt moves to and
fro, making a lot of noise, and
cannot be corrected.
Wet-grinding belt is faulty Mount new wet grinding belt
Contact disk is damaged or
worn out
Mount new contact disk
Fault message “Coolant error”
on the main screen.
Too little coolant in the
coolant tank
Fill coolant
Lines are clogged Clean lines
Defective pump Change pump
Flow gage is dirty Clean flow gage
Knife is not getting sharpened. No burr formation on the
knife edge
Check condition of wet grinding belt
and accordingly increase the number of
cycles
Polishing unit set incorrectly Re-align polishing unit (see Chapter
7.3.5 and 7.3.6)
Polishing paste not being fed. Pneumatic cylinder of the
polishing paste is running
rough
Clean pneumatic cylinder and check for
smooth running
Polishing paste sticks to the
guideway
Uncouple the compressed air hose
and check whether the cylinder can be
moved by hand. If not, rework the pol-
ishing paste with knife.
If a fault is not included in the faults table or if the fault is not eliminated, please contact our
service staff (Chapter 12.2).
10. Malfunctions
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