Unsatisfactory Washing Result - Miele PFD 402 Operating Instructions Manual

Commercial dishwasher
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Problem solving guide

Unsatisfactory washing result

Problem
The crockery is not clean.
Smearing appears on
glassware and cutlery.
There is a bluish sheen on
the surface of glassware;
film can be wiped off.
Crockery is not dry or cut-
lery and glasses are
flecked.
The drying result is unsat-
isfactory for a dishwasher
with Dry+.
90
Cause and remedy
The crockery was not loaded correctly.
Please observe the instructions in "Loading the
dishwasher".
The programme was not suitable for the load.
Select a suitable programme (see "Programme chart").
Not enough cleaning agent was dispensed.
Increase the quantity of cleaning agent.
The cleaning agent used is not suitable for the type of
soiling present.
Switch to another cleaning agent.
Items are blocking the path of the spray arms.
Carry out a rotation check and if needed, rearrange the
items so that the spray arms can rotate freely.
The filter combination in the wash cabinet is not clean or
was incorrectly fitted.
This may have caused the spray arm jets to become
blocked.
Clean and/or fit the filter combination correctly.
Clean the spray arm jets, if necessary (see "Cleaning and
care").
The non-return valve is open and blocked. Dirty water has
flowed back into the wash cabinet.
Clean the drain pump and the non-return valve (see
"Problem solving guide").
If necessary, alter the temperature and/or the holding time
of the programme being used.
Change the relevant parameters for the programme. (see
"Further settings, Additional functions")
The rinsing agent dosage is set too high.
Reduce the dosage (see "Further settings, Additional
functions, Dispensing systems").
The rinsing agent dosage is set too low or the rinsing agent
reservoir or container is empty.
Replenish the rinsing agent, increase the dosage or
change the brand of rinsing agent used (see "Adding
rinsing agent").
Not a fault!
The drying time was not sufficient for the crockery.
Extend the active drying time (see " Settings, Dry+").

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