10 Troubleshooting
Fault
Cause
Solution
Water spray at disc
opening
Water supply set too high
Reduce water pressure at tap or
ball valve (see 8.2
Water
regulation)
Drain hose has been
lengthened with a
thinner
hose
Make sure that the diameter of
the drain hose is 1 inch
(25.4 mm)
Drain hose is kinked
Make sure the hose is laid out
without
kinks
Hose end is under the
surface of the water in the
plaster catcher
Make sure that the hose end is
above the surface of the water
The fall of the hose is
insufficient
Ensure that the fall is at least
1 cm per metre
The radius of the hose is too
small
Ensure that the hose is laid out
as straight as possible
There is a tube bend in the
hose (causing blow-back)
The bend must be increased to
at least D = 40 mm
If the above recommendations do not solve the problem, contact your dental depot
or our service department.
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