Fault Finding - User; Fault Finding - Qualified Installer; Guarantee; Environment And Recycling - Stiebel Eltron DHF Serie Instrucciones De Uso

3. Fault finding
- user
Fault
Not hot water.
The heating element in the DHF ... C
compact control does not switch on despite
a fully opened hot water fitting.
Table 4
4. Fault finding
- qualified installer
Fault
Unit does not switch on.
Differential pressure switch (10, control
valve MRC) with flow rate controller does
not switch on in spite of the hot water tap
being turned fully on.
Unit does not produce hot water in spite of
an audible switch-on noise by the differential
pressure switch.
Heating system does not heat water.
Table 5

5. Guarantee

For guarantees please refer to the pespective
terms and conditions of supply for your
country.
The installation, electrical connection
and first operation of this appliance
should be carried out by a qualified
installer.
The company does not accept liability for
failure of any goods supplied which accor-
dance with the manufacturer's instructions.
16
Cause
– No power supply.
– The necessary switch-on quantity has not
been reached. Dirt accumulation or lime
scale blockage of the Perlators in the
fittings or the shower heads.
Cause
– Water pressure in cold water pipe too
low.
– Strainer in 3-way valve (6) fouled.
– Necessary switch-on quantity to switch on
the heating output is not reached.
– Safety temperature limiter (12) has
tripped, possibly due to:
a) Intlet temperature too high.
b) Control valve (MRC) faulty.
c) Element scaled up.
– No voltage.
– Heating system faulty.
6. Environment and
recycling
Recycling of obselete appliances
Appliances with this label must not
be disposed off with the general
waste. They must be collected
separately and disposed off according to local
regulations.
Remedy
– Check fuses in the domestic system.
– Clean and/or descale.
Remedy
– Descale or replace showerhead/Perlator®.
D , 22).
– Clean strainer (
– Clean strainer ( D , 22).
– Check water pressure.
– Check intlet temperature.
– Check and if necessary replace control
valve. Rinse heating-system of unit, in
order to avoid over-heating. Press reset
button (13).
– De-scale or replace element.
– Check fuse (house installation).
– Replace tubular heating element heating
system (11).