‐CW521/531
23
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:
Err01
Theanti‐floodingsystemhasbeen
activated(fortherelevantmodels
only).
Largewaterleak:checktheoriginoftheproblem.
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).
Ifitpersists,checkinthisorder:
‐ with tank empty: constant “tank full” signal:tank
pressureswitchfaultyorleakfromconnectionsofair
trapconnectionpipe(waterenteringpipe)
‐withtankfull:drainpumpfailure
Err09 Toomuchwaterintank
Withtankfull:
seeabove(waterpump‐outmalfunction)
With tank empty: constant “tank full” signal: safety
pressureswitchfaultyorleakfromconnectionsofair
trapconnectionpipe(waterenteringpipe)
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