Malfunctions Shown On The Display (For The Technician) - Smeg CWH510D Manual

6 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR
The dishwasher is able to identify a number of malfunctions and show them on the display.
If the problem persists after the dishwasher has been switched off and back on, proceed as described
below:
E.1 Boiler temperature probe malfunction
E.2 Tank temperature probe malfunction
E.3 Water intake malfunction
E.4 Boiler overheating.
E.5 Tank overheating
E.6
Water not pumped out of tank
‐ CWH 510 D
THE TECHNICIAN)
Boiler temperature probe disconnected or not
working
Tank temperature probe disconnected or not
working
Water intake not completed in the maximum time
allowed
Check dynamic pressure in intake system, clean
water intake filter.
If the problem persists:
‐ tank pressure switch has failed (continuous empty
reading)
‐ leak from pipe connected to air trap
‐ drain siphon blocked ‐ the tank is empty due to
siphoning when the drain pump is not running
Reduce boiler temperature to 80°.
Circuit board relay failed, check circuit board and
inspect boiler heating element for damage
Reduce boiler temperature to 58°.
Circuit board relay failed, check circuit board and
inspect tank heating element for damage
Inspect the filters for dirt and check that the drain
hose is not blocked, bent or crushed.
Check that the drain pump is not blocked by dirt by
removing the insert on the sump (from inside the
tank)
If the problem persists:
‐ with tank empty: tank pressure switch has failed
(continuous full reading)
‐ with tank full: drain pump failure
If the system fails to pump out because the drain
pump is fouled (as a result of incorrect filter
positioning), proceed as follows:
Bale out the dishwasher with a basin and disconnect
it from the electrical mains.
Unscrew the screw A, release the tang B and lift it.
Check that the impeller of the drain pump
underneath the cover turns freely, and is free from
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