Bosch SMU4HAS48E - Page 50

NLTroubleshooting
Malfunction Cause To fix an issue
There are wipeable or
water-soluble deposits in
the interior or on the
door of the appliance.
2.Change the detergent if
necessary.
The softening salt
reservoir is not closed.
▶
Close the softening salt
reservoir.
There is white, hard-to-
remove deposits on the
dishes or on the interior
or door of the appliance.
Components of the
detergent are deposited.
This deposit usually
cannot be removed
chemically.
▶
Change from "dishwasher detergent"
→Page 29.
▶
Clean the device mechanically.
Water hardness is incorrectly
set or water hardness is
higher than 50 °dH
(8.9 mmol/l).
▶
Set the water softener to the water
hardness or top up with softening
salt.
3in1 dishwasher detergent, bio
dishwasher detergent or eco
dishwasher detergent is
insufficiently effective.
▶
Set the water softener to the
water hardness and use
separate agents (quality
cleaning agent, softening
salt, rinse aid).
Dishwasher detergent is dosed
too low.
▶
Increase the detergent dosage
or change "dishwasher
detergent"→Page 29.
Washing program too weak
chosen.
▶
Select a more powerful rinse
programme.
"Programs", Page 19
Tea or lipstick residue
on the dishes.
Washing temperature is too low.
▶
Select a program with a higher
washing temperature.
"Programs", Page 19
Dishwasher detergent has been
dosed too low or is unsuitable.
▶
Use a suitable "dishwasher
detergent"→Page 29and dose it
according to the manufacturer's
instructions.
Crockery has been pre-
cleaned too well. The sensor
system therefore opts for a
weak washing program.
Stubborn dirt cannot
be partially removed.
▶
Only remove coarse food residues
and do not pre-rinse the dishes.
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