
Service
Manual
9406
The machine does not fill with water
• Check that the nipple on the underside of the level
control is not blocked. A blockage can be caused
by residual pressure below the level control's
membrane indicating incorrectly that a level has
been reached.
• Check the level control's function as follows:
– Connect a measuring instrument across the
terminal pin.
– Remove the hose from the drain valve.
– Blow carefully into the hose and check the
terminal's function with the measurement
instrument.
• The machine not filling with water can also be
caused by burnt contacts. Replace the level control
if this is the case.
Replacing the levelcontrol
Identify the connections, i.e. by marking, so that they
can be connected to the correct pins.
• Clear the hose with compressed air before the new
level control is fitted.
• There must be no water in the machine when the
control is replaced.
26. Level control
26
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