6 720 808 907 (2014/04) MM100
90 | Environment / disposal
If a fault occurs on the module, the mixing valve in the
connected heating circuit will be set to a position determined
by the module. This means that it is possible to continue
operating the system with a reduced output.
Certain faults are also shown on the display of the user
interface assigned to the heating circuit, and on the display of
the higher-level user interface where applicable.
6 Environment / disposal
Environmental protection is a fundamental corporate strategy
of the Bosch Group.
The quality of our products, their efficiency and environmental
safety are all of equal importance to us and all environmental
protection legislation and regulations are strictly observed.
We use the best possible technology and materials for
protecting the environment taking into account of economic
considerations.
Packaging
We participate in the recycling programmes of the countries in
which our products are sold to ensure optimum recycling.
All of our packaging materials are environmentally friendly and
can be recycled.
Old electrical and electronic appliances
Electrical or electronic devices that are no
longer serviceable must be collected
separately and sent for environmentally
compatible recycling (in accordance with the
European Waste Electrical and Electronic
Equipment Directive).
To dispose of old electrical or electronic
devices, you should use the return and collection systems put
in place in the country concerned.
Indicator Possible cause Remedy
Constantly OFF Code switch on 0 ▶ Set the code switch.
Power supply interrupted. ▶ Switch on the power supply.
Fuse is broken ▶ When the power supply is switched off, replace the fuse
( Fig. 13, page 104).
Short circuit in the BUS connection ▶ Check BUS connection and repair if required.
Constantly red Internal fault ▶ Replace module.
Flashing red Code switch in invalid position or in
intermediate position
▶ Set the code switch.
Temperature limiter on MC1 (15-16) is
not connected
▶ Connect the jumper supplied or temperature limiter to MC1.
Flashing green Maximum cable length for BUS
connection exceeded.
▶ Make shorter BUS connection.
Fault shown on user interface display ▶ The user interface instructions and the service manual contain
further information on troubleshooting.
Constantly green No fault Standard operation.
Table 6
Bosch Thermotechnology
Cotswold Way, Warndon, Worcester WR4 9SW
All Enquiries: 0330 123 3004
www.bosch-industrial.co.uk
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