Smeg STU8642, STFABUBL1 Troubleshooting

Troubleshooting

What to do if

Fault

Possible cause

Solution

The no salt indicator
light does not light up

There is still sufficient salt

Check the filling level
The no rinse aid

indicator light does not
light up

There is still sufficient
rinse aid

Check the filling level and
adjustment settings

Water stagnates at
the bottom of the
dishwasher

The water inlet pipe is twisted
or crushed Check the pipe
section

The drain syphon is clogged

Check the syphon to make
sure it is not clogged,
evenpartially

The filtering unit is
clogged

Clean the filters as indicated in the
manual

Cutlery not dry

Presence of water in the
cavities of spoons or ladles

Cutlery (e.g. serving spoons)
placed in the cutlery tray at the
bottom of the rack or on the side
foldable racks must be placed face
down

Tea or lipstick residues
on the tableware

Insufficient washing
temperature

Select a program with a higher
washing temperature

Insufficient or unsuitable
detergent

Use suitable detergent and correct
dosage

Incorrect positioning in the
cutlery basket

Make sure the cutlery does not
touch and overlap each other

It is wet inside the
dishwasher

Condensation

The device is not defective. It is
normal for condensation to remain
on the internal walls

Change in colour of the
plastic parts inside the
tub

The plastic parts inside the
dishwasher may fade with use

It is normal and does not

compromise the dishwasher’s

operation and efficiency

Troubleshooting

Fault

Possible cause

Solution

The no salt or rinse aid
indicator light is on

No salt

Add salt

No rinse aid

Add rinse aid

The detergent distribution
cover does not open
completely since it is
blocked by the tableware

The tableware must not
protrude from the basket

The detergent distribution
cover is blocked by
the tab

The tab must be crosswise, not
vertical

Detergent residues

Tab used in a short
program during which the
detergent does not have
the time to dissolve

Use powder detergent or a
stronger program

Detergent stored for too
long or with the box open
or a damp environment
and loss of efficiency of
the detergent, aged or
lumpy

Replace the detergent.

Traces of rust on the

Cutlery not resistant to
oxidation. The blades of
knives are particularly
sensitive.

Only use stainless steel
cutlery

cutlery

Cutlery oxidises also if
washed together with
items that oxidise (handles
of pots, knives that are
already damaged, etc.)

Avoid washing parts that can
oxidise

Very high content of salt
in the washing water

Tighten the cap correctly of the
water softener’s tank

Troubleshooting

Fault

Possible cause

Solution

The dishwasher does not
start

The door does not close

Check the position of the locking
teeth (D). If necessary, lift it from
the plastic screw (V) in line with the
teeth.