20
PROBLEM
POSSIBLE CAUSE
POSSIBLE REMEDY
LIGHT
S1
DOES NOT COME ON
Mains power failure
Check electrical mains connection.
The dishwasher has not yet
finished filling.
Wait for the word FILL to go out.
WASHING PROGRAM DOES
NOT START
The word CLOSE remains on the
display
If the word CLOSE remains on the
display even with the door closed, call
the after-sales service.
Spray arm washing holes blocked
by dirt or limescale
Remove spray arms and clean them
(10.2 Periodic checks)
Filter fouled
See “Cleaning the filter during the day”
Too little or unsuitable detergent
or rinse aid
Check type and quantity of detergent.
Detergent intake blocked
Check that the detergent intake pipe
underneath the filter is unobstructed (T
in photo).
No or not enough detergent or
rinse aid being supplied: detergent
or rinse aid not being taken from
the relative container.
Pipe inside detergent and/or rinse aid
peristaltic pump worn or broke, have it
replaced by the After-Sales Service.
Plates/glasses badly arranged
Arrange plates/glasses correctly.
Low washing temperature
Check temperature shown on the
display, call the after-sales service if
less than 50°
POOR WASHING RESULTS
Inappropriate cycle set
Increase washing duration, especially
if dishes are very dirty or dirt has dried
on.
INADEQUATE RINSING
Spray arm nozzles fouled
Limescale in boiler
Check that nozzles are clean, and
ensure that the softener is working
properly (if installed).
STAINS ON GLASSES AND
CUTLERY
Rinse aid unsuitable or not being
delivered correctly.
Water hardness above 12°dF or
large amounts of dissolved salts
Check container of rinse aid and
whether type is suitable for the mains
water- If the problem persists, contact
the after-sales service.
WATER IN TANK AFTER PUMP-
OUT
Drain hose incorrectly positioned
or partially obstructed.
Check that the dishwasher drain hose
and rain are unobstructed and the
drain is not too high up; see
connection diagram.
Summary of Contents for CW501D
Page 1: ...PROFESSIONAL DISHWASHER ...
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