Miele Laboratory Glassware Washer G 7883 - Manual (Page 46)

Cleaning the drain pump and
non-return valve
If water has not been pumped away at
the end of a program the drain pump or
the non-return valve may be blocked.
^ Turn off the machine.
^ Remove the filter combination out of
the wash cabinet.
^ Tilt the locking clamp to the side.
^ Pull out the non-return valve and
rinse well under running water.
,
Use proper eye protection when
removing the non-return valve.
The drain pump is beneath the
non-return valve (see arrow).
^ Before refitting the non-return valve,
check that the drain pump is not
blocked. Spin the propeller several
times in both directions to check for
obstructions.
^ Carefully refit the non-return valve
and secure it with the locking clamp.
Refit and lock the filter in place.
For safety the load should be
washed again.
Cleaning and Care
46