BOMANN 774160, Instruction Manual

Page: 19 / 24

19
Troubleshooting
Before you contact an authorized specialist
Problem Possible cause / Action
Unit doesn’t
start ∙ Check the power supply. ∙ Is the
unit turned on and the door securely
closed? ∙ Is a program selected?
∙ Is the water supply properly con-
nected and the water supply opened?
Water is not
drained off ∙ Check the drain hose. ∙ Are the
filters or the kitchen sink clogged?
Noise
∙ Make sure that all dishes are se-
cured in the dishwasher. ∙ Place the
parts so that the spray arms can
rotate freely.
Foaming
Use only special dishwasher deter-
gent to avoid foaming. If this occurs,
open the door and let suds evapo-
rate. Add a bit of cold water to the
tub. Start a short rinse cycle to drain
out the water.
Flat table-
ware is not
clean ∙ Select a stronger program.
∙ Make sure that the spray arms are
not blocked by large dishes.
Spots and
filming
∙ Extremely hard water ∙ low inlet
temperature ∙ overloading the bas-
kets, improper loading ∙ old or damp
detergent ∙ incorrect dosage of de-
tergent
Cloudiness
glassware
Use less detergent if you have soft
water and select a shortest cycle to
rinse and clean glassware.
Black or
grey marks
Aluminum utensils have rubbed
against dishware. Use a mild abra-
sive cleaner to eliminate those marks.
Stains on
inner sur-
face
Only use detergents without color-
ants.
Problem Possible cause / Action
White film
on inside
surface
Hard water minerals: clean the interi-
or by using a damp sponge with
dishwasher detergent. Wear rubber
gloves.
Unsatisfac-
tory drying
result
∙ Improper loading ∙ dishes are re-
moved too soon ∙ wrong program has
been selected ∙ use of cutlery with a
low-quality coating
Error codes
For some malfunctions, flashing control lamps will
show the following disfunction to warn you:
Control lamps Meaning / possible cause
Water inlet fault! Faucet not open,
inlet blocked or water pressure too
low.
Malfunction of heating element.
ECO Overflow / water leakage!
ECO Failure of communication between
main PCB with display PCB.
CAUTION:

If overflow occurs, turn off the main water supply
before calling an authorized technician.

If there is water in the lower housing part due to
an overfilling or a small leak, remove this water
before restarting the appliance.
NOTE:
If a problem persists after following the steps above,
please contact your distributor or an authorized tech-
nician.