User manual

Problem solving guide
77
Problem Cause and remedy
The milk sputters when
it is dispensed. Hissing
noises can be heard
when milk is being
heated up or frothed.
Although the milk
should be frothed, only
hot milk comes out of
the central spout.
The milk pipework was not correctly fitted.
 Pay attention to the seam on the double hose
when you connect the milk pipework into the
central spout.
 If you have disconnected the milk pipework from
the rinse valve: the double hose has different
diameters. Make sure all parts are assembled
correctly.
The milk temperature is too high. Good milk froth can
only be achieved with cold milk (below 10°C).
 Check the temperature of the milk.
The central spout is not fitted correctly and is taking
in air. Or the spouts are blocked.
 Check whether the central spout has been
assembled correctly. Make sure that all parts are
tightly connected to one another.
 Clean the central spout. Knead the spouts under
running water to loosen any soiling.
The milk pipework, connecting pieces, the stainless
steel tube of the milk flask or the milk siphon are
blocked.
 Clean all parts carefully with the cleaning brush.
The steam jet on the central spout has a blockage.
 Clean the steam jet with the cleaning brush (see
illustration).