Cleaning
6 720 876 031 (2020/06)
8
Note:
Mixing in of cold water at the faucet/fitting consumes unnecessary
water and energy.
This also accelerates calcification (scaling) of the appliance. Therefore,
please always set the desired temperature directly on the continuous-
flow heater.
3.8
Winter operation
Note:
It is possible in winter that the supply temperature of the water
is reduced and the required outlet temperature is no longer achieved.
• Reduce the water flow on the taps until the desired water
temperature is reached.
4
Cleaning
• Only wipe off the appliance using a moist cloth.
• Do not use acidic or abrasive cleaning materials.
• Do not use a steam cleaner.
5
Customer Service
We ask you to always provide the
BOSCH
serial number
(SNR/TTNR)
of
your appliance when calling in a customer service engineer. You will find
the numbers on the ratings plate on the inner side of the front flap.
6
A fault, what to do?
WARNING:
Attention!
▶
Repairs must only be carried out by an authorised technician.
Improper repairs can lead to risk of serious injury to the user.
If your appliance does not operate as required, it is often due to a very
minor problem. Please check whether you can remedy the fault yourself
by using the following guidelines. You will save yourself the costs of an
unnecessary visit by customer service personnel.
6.1
Faults that the customer can troubleshoot himself
If the fault could not be eliminated, please call customer service.
6.2
Faults that the customer service specialist should troubleshoot
6.3
Faults that are automatically remedied
Fault
Cause
Solution
Water flow-rate is too low.
The filter in either the water tap or the showerhead is
clogged.
Remove the filter and either clean it or descale it.
A high water temperature is set, but it is
not reached.
The continuous-flow heater is connected
to a thermostatically-controlled water tap.
Set the temperature on the continuous-flow heater
to “60 °C”.
The water is not warm.
The fuse in the fusebox has tripped/blown.
Check the fuse in the fusebox.
The supply temperature has dropped or the
appliance has reached the power limit.
Set the temperature lower e. g. “30 °C”.
LED status display flashes red.
Fault in the appliance.
Please contact customer service.
Fault
Cause
Solution
Water flow-rate is too low despite
cleaning of filter using the water tap
or showerhead.
A filter in the appliance is clogged.
Get a servicing expert to clean the appliance.
Fault
Cause
Solution
From time to time, cold water flows out. The air sensor in the appliance detects air in the water
and momentarily switches the heating element off.
After a few seconds, the continuous-flow heater
automatically goes back into operation.
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