‐CW420/430
21
6.14 Startingtheperistalticpumps–rapidfillingofdetergentandrinseaid
deliverycircuit.
(iffeatured)
Performaftertheparametermodificationprocedureexplainedinthepreviouspoint.
Indicatorlightsshowing: off;green;orange;flashing.
With the dishwasher powered up, access “programming
mode”bypressingtheon/off buttonforafewseconds;at
the “beep”, release the button and press it again quickly
within0.5seconds.
The peristaltic pump operates until the same button is
pressedagain;thedetergent orrinseaid symbolis litupas
long as the pump is in operation; about 2 minutes is
sufficient.
7 MALFUNCTIONS SHOWN ON THE DISPLAY (FOR
THE TECHNICIAN)
Thedishwasherisabletoidentifyanumberofmalfunctionsandshowthemonthedisplay.
If the problem persists after thedishwasher has been switched off and back on, proceed as described
below:
Err04 Tanktemperatureprobemalfunction
Tanktemperatureprobedisconnectedornot
working.
Err05 Tankwaterfillingmalfunction
Thetankdoesnotfill withintheallowed time:check
waterintaketap,dynamicpressure inintakesystem,
cleaning of water intake filter, possible damage to
waterintakehoseorcleaningofrinsingnozzles.
IftheproblempersistsduringFILL:
‐ tank pressure switch has failed (continuous empty
reading: check whether tank safety pressure switch
istripped)
‐leakfrompipeconnectedtoairtrap
Iftheproblemoccursduringworkcycle
‐ filler hose bleeder valve fouled: tank empties
completely at end of a wash cycle due to siphon
effect.
Err06
Waterpump‐outmalfunction
Inspect the filters for dirt and check that the drain
hoseisnotblocked,bentorcrushed.
Check that the drain pump is not blocked by dirt by
removing the insert on the sump (from inside the
tank).
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