Cleaning The Drain Pump And Non-Return Valve - Miele PFD 400 Operating Instructions Manual
Commercial dishwasher
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Also See for PFD 400:
- Operating instructions manual (168 pages) ,
- Installations plan (88 pages) ,
- Operating instructions manual (100 pages)
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Maintenance
Cleaning the drain pump and non-
return valve
If the water has not been pumped away at
the end of a wash programme (excluding
the Super short programme), there may be a
foreign object blocking the drain pump or
the non-return valve. These are easy to re-
move.
Disconnect the dishwasher from the elec-
trical supply (switch the machine off, un-
plug it, or disconnect or disable the circuit
breaker).
Take the filter combination out of the wash
cabinet (see "Cleaning and care").
Open the locking clamp.
Lift out the non-return valve and rinse well
under running water.
Make sure that the vent on the outside of
the non-return valve is not blocked (this
vent is only visible after the non-return
valve has been taken out). If it is blocked,
use a pointed object to release the block-
age.
The drain pump is situated under the non-
return valve (see arrow).
88
Check for foreign objects blocking the
drain pump before replacing the non-re-
turn valve.
Carefully replace the non-return valve and
secure it with the locking clamp.
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