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Troubleshooting
Problem Possible Cause What to do
Knocking or rattling
sound during wash.
Spray arm knocking against
dishes.
Pause the wash and rearrange dishes. See
sections ‘Controls and starting a wash’ and
‘Loading’.
Dishes have been stacked
incorrectly.
Unclean dishes. Wash programme
unsuitable for load.
See section ‘Wash programmes and
detergent quantities’ and select a suitable
programme.
Soils were too heavily
baked on.
Dishes may need soaking.
Spray arm(s) unable to
rotate.
Ensure no items are obstructing the spray
arm path.
Dishwasher overloaded or
incorrectly loaded.
See the ‘Loading’ section.
The filters are incorrectly
inserted.
See section ‘Care and cleaning’.
Detergent put in the wrong
compartment.
See sections ‘Wash programmes and
detergent quantities’ and ‘Adding detergent’.
Excessive food not removed
from dishes before loading.
Scrape all food scraps off dishes before
loading.
Unsuitable detergent. Only use powdered or tablet detergent
designed for domestic dishwashers.
Not enough detergent. See ‘Wash programmes and detergent
quantities’ for recommended quantities. You
may need to adjust these to suit your
particular load and the hardness of your
water supply.
Spray arm holes are
blocked.
Clean the spray arm(s). See ‘Care and
cleaning’ for instructions.
The filters are blocked. Clean the filters. See ‘Care and cleaning’ for
instructions.
Plastic items are
discoloured (e.g.
stain left by tomato
sauce).
Not enough detergent, not
pre-rinsed.
Pre-rinse plastic dishes before placing in the
dishwasher and/or add more detergent.
Alternatively, using the Rinse programme
after adding dishes may minimise staining.
White stains are left
on dishes; glasses
have a milky
appearance.
Not enough detergent. See section ‘Wash programmes and
detergent quantities’ for recommended
quantities. You may need to adjust these to
suit the hardness of your water supply.
Rinse aid dosage too low. Increase rinse aid dosage. See ‘Using rinse
aid’.