Guarantee; Environment And Recycling - Stiebel Eltron DHC 3 U Instrucciones De Uso

Elimination of faults by the user
Fault
No hot water despite the hot water fitting
being fully opened.
Table 3
Elimination of faults by the qualified installer
Fault
The differential pressure switch is not
switching the heating on despite the hot
water fitting being fully open.
Despite the appropriate sound being
audible from the differential pressure
switch as if it were switched on, no hot
water is flowing.
Overheating light is showing.
Table 4

Guarantee

For guarantees please refer to the
respective terms and conditions of supply
for your country.
The installation, electrical connec-
tion 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
have not been installed and operated in
accordance with the manufacturer's
instructions.
Cause
The water flow rate required for the system
to switch on has not been achieved (see
Table 2).
– Dirt contamination or limescale
formation in the flow regulator in the
fitting or in the shower head.
Cause
The water flow rate required for the system
to switch on has not been achieved (see
Table 2).
– Filter in differential pressure switch is
blocked.
– Flow rate too small.
– The safety thermal cut-out has switched
the unit off for safety reasons.
– Heating element clogged with limescale
(caused by heat thermal cut-out build-up).
– Heating element defective.
– Flow rate too small.
Environment and
recycling
Please help us to protect the environment
by disposing of the packaging in
accordance with the national regulations
for waste processing.
Rectification
– Cleaning or descaling of the flow
regulator in the fitting or in the shower
head.
Rectification
– Clean the filter (Fig. 20, Item 6) after
shutting off the cold water cable entry.
– Correct the flow rate setting (Fig. 18).
– Eliminate the cause of the fault. Press
the reset button on the safety thermal
cut-out (Fig. 21, Item 7). The current to
the unit must be disconnected.
– Replace heating element
– Replace heating element
– Correct the flow rate setting (see Fig. 18
and Table 1).
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