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Leaks; Steam Escaping; Leaky Water Storage Tank; Leak In Heat Exchanger - Bosch SPS40C12GB Repair Instructions

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Fault diagnosis
4.5

Leaks

Faults that are plainly due to incorrect operation or inadequate maintenance may not be dealt with under the guarantee. Appropriate instructions for use and maintenance may be
found in the specified chapters of the instruction manual (IM) and brief description (BD).
Experience shows that, when recording a fault report it is important to establish not only the symptoms observed but also the circumstances in which the fault occurs.
Is the problem present all the time, does it occur sporadically or at specific intervals?
Does its occurrence date back to a specific event (change of detergent, ...)?
To avoid repeated repairs it is important to establish the actual cause.
Fault

Steam escaping

Leaky water storage tank

Only relevant for appliances with a wa-
ter storage tank.

Leak in heat exchanger

Leak underneath the water-softening
system
2016-03-02 / DIS 840_58300000176874_ara_en_c
Possible cause
Door is not properly closed.
Nuts inside the inner container not proper-
ly fastened
The water storage tank is damaged
The actuator valve is leaky
Expansion opening not correctly screwed
together
Drain valve is leaking
Heat exchanger is damaged
After a number of wash cycles, minimal
leaks in the water-softening system can
lead to serious leaks.
The regeneration valve leaks
Housing of water-softening system is
cracked
Copyright by BSH Hausgeräte GmbH
Troubleshooting
► Check the installation.
► See fault: Door cannot be closed.
► For 60 cm appliances: install the Condensation repair kit as described in item
0199.
- The attached general technical approval gives additional information
► Check the screw connection. (Perform the individual steps in the order given!).
► Replace the water storage tank. (Perform the individual steps in the order given!).
► Check the actuator valve and clean it.
► Replace the defective actuator valve.
► Check the screw connection. Perform the individual steps in the order given. See
the chapter Replacing the heat exchanger
► Replace the drain valve.
► Replace the heat exchanger. Perform the individual steps in the order given. See
the chapter Replacing the heat exchanger
► Tighten the threaded ring inside the container.
► Check that the water-softening system is correctly installed.
► Replace the water-softening system.
► Check the regeneration valve and clean it.
► Replace the regeneration valve.
► Replace the water-softening system.
Page 27 of 157

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