Bosch Therm 6000 S - Maintenance; Periodic Maintenance Tasks; Verify the Fuses in the Control Board

6 720 800 095 (2014/05) Therm 6000S
34 | Maintenance
9 Maintenance
To ensure that gas consumption and the environmental load
(pollution, etc.) remain as negligible as possible over a longer
period of time, we recommend that you assure to have the
appliance maintained on an annual basis (inspection) or if
necessary (maintenance).
 Your appliance must only be serviced by a Bosch Technical
Assistance delegate.
 Use only genuine accessories.
 Order accessories according to the list of accessories
provided with the appliance.
 Substitute dismantled joints and o-rings with new ones.
 Only the following lubricants must be used:
– On hydraulic parts: Unisilikon L 641 (8 709 918 413)
– Threaded joints: HFt 1 v 5 (8 709 918 010).
9.1 Periodic maintenance tasks
Functional checks
 Ensure that all safety, regulatory and checking elements are
in good working order.
Heat exchanger

Inspect the heat exchanger.
 If it is dirty:
– Dismantle the chamber and remove the regulator.
– Clean the chamber with a pressurized water jet.
 If the dirt resists: soak soiled parts in hot water with
detergent and clean carefully.
 If necessary: de-scale the interior of the heat exchanger and
connection tubes.
 Reassemble the heat exchanger using new joints.
 Remount the regulator on its support.
Burner
 Inspect the burner annually and clean as necessary.
 Check the burner trought the observation window if there
are liquids or ssures.
 Verify if the ame is stable and blue without signs of yellow
ames.
 Verify CO
2
levels (see chapter 8.3) and correct it if
necessary.
Water lter
 Close the water inl
et supply valve.
 Clean the water lter, see Fig. 48.
Fig. 48
[1] Water lter
9.2 Verify the fuses in the control board
To check fuses, proceed as follows;
 Remove the front cover, see Fig. 23.
Your appliance must only be serviced by a
qualied technician.
DANGER: Electrical discharge!
 Always disconnect the electrical current
(fuse, safety power switch) before
working on the electrical installation.
WARNING: Burner damage!
The burner surface is very fragile.
 Do not touch the burner surface, take
extra caution during the maintenance
operations!
Yellow burner ames are an indication of
improper combustion. Assure that the
installation of the exhaustion conduct and of
admission of air full the manufacturer's
requirements.