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Environment / Disposal - Bosch Therm 4000 S Installation And Operating Manual

Gas instantaneous water heaters
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22 | Problems
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Description
F9
Safety Solenoid valve disconnected.
FA
Fault in the gas shut-off valve.
FC
Buttons pressed for more than 30s.
With indication,
The ho water temperature selected is lower than the
but without existence
minimum power that the appliance supplies.
of solar thermal
system.
With indication
and water
temperature low.
Echo
Appliance is making an abnormal noise (vibration).
Table 11
1) only to be carried out by qualified contractors.
Note: breakdowns diagnosed by the water heater through the
signal lamp in the reset button combined with an indication in
the LCD panel result in the blocking of the appliance for safety
reasons. Once the problem is solved, you have to press the
reset button to start the appliance working again.
10

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.
Used appliances
Used appliances contain valuable materials that should be
recycled.
The various assemblies can be easily dismantled and synthetic
materials are marked accordingly. Assemblies can therefore be
sorted by composition and passed on for recycling or disposal.
6 720 819 528 (2016/02)
Solution
1)
▶ Check connections.
▶ Press the reset button.
▶ Call a qualified contractor.
▶ Release the button.
▶ Increase the hot water flow.
If the problem persists, increase the setpoint
temperature.
▶ Call a qualified contractor.
Therm 4000 S

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