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Bosch SRS4002GB Repair Instruction page 50

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Customer complaint
Food remnants or sandy
residue
in the top basket
58300000002393_ara_en_a.doc – 31.07.07
Cause
Snorkel noises; circulation pump does not run uniformly,
insufficient water in the appliance (note: intervals approx.
1 min if using alternate rinsing technology)
Non-return valve leaking, dirty water flows back into the
appliance
Appliance does not circulate water
Appliance does not heat up
Only bottom basket is rinsed
Remedial action
Check level sensor function (implement filling
process)
Remove non-return valve, check valve and seat for
dirt and, if required, clean.
Check circulation pump
Check heating circuit according to circuit diagrams,
note pressure switch on the
instantaneous water
heater
(the circulation pump cannot build up
adequate pressure if there is insufficient water in the
appliance).
Blockage in the rinse cycle of the top basket;
please note that rinsing takes place only in the
bottom basket in some programme sections.
Please use the customer service test programme
and
diagnosis aid
for testing.
Seite 50 von 60

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