Bosch WFVC VISION 16 Repair Instructions page 39

5.7.2 Cleaning detergent dispensers
Dispensers can be easily removed and cleaned by placing them under
warm running water.
5.7.3 Oversudsing and suds lock
If washers time out and shut off without an end of cycle signal and
without spinning, the washer
(oversudsing), a possible occurrence with all makes and models of
front loader washers.
Hint: Whenever a customer complains about wet clothes, check for
oversudsing and unbalanced loads – both of which are customer
education issues.
5.7.3.1 Suds lock
Suds lock comes from suds (airy foam) interfering with water level
sensors (pressure switches).
thinking water hasn't been removed fully, so washers won't go into
spin cycles. Drain pumps can also get air locks in them.
Unlike with suds lock, washers with unbalanced loads stop during spin
cycles (after trying (15) times to balance the loads).
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has experienced suds
Electronic controls are fooled into
5.7.3.2 Cause
Suds lock & oversudsing come from using too much detergent, using
the wrong kind of detergent (not HE) or overloading washers (trapping
suds in clothes).
5.7.3.3 Solution
Where oversudsing has occurred, the washer may need cleaning
every 6 months by running it without clothing using a hot water wash
(and cold water rinse). Using the hottest available wash temperature
(e.g. Sanitary Wash) works best.
A ¼ - ½ cup of oxygenated bleach (e.g. Oxy Clean™) can be used.
There are also commercially available washer cleaners such as
Glisten™, Washer Magic™ and Affresh™ -- follow manufacturer's
directions for use. This does not constitute an endorsement of these
bleaches and cleaners.
lock
5.7.3.4 Customer education
Educate customer on type (HE) and amount of detergent to use. To
remove suds from clothes, have customer rewash clothes with liquid
fabric softener, ½ recommended amount of detergent & a cold water
rinse.
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