12
en
A fault, what to do?
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.
Fault
Cause
Solution
Who
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.
Customer
The filter in the corner regulating
valve is clogged.
Get a servicing expert to clean the
filter.
Servicing
expert
The desired water temperature is
set, but it is not reached.
The continuous-flow heater is
connected to a thermostatically-
controlled water faucet.
Set the temperature on the continu-
ous-flow heater to “60 °C”.
Customer
The display is blank
The fuse in the house electrical in-
stallation has triggered/blown.
Check the fuse in the house electri-
cal installation.
Customer
The appliance's automatic circuit
breaker has been tripped.
Get the appliance's automatic
circuit breaker checked by an
electrician.
Servicing
expert
The water is not warm.
The fuse in the house electrical in-
stallation has tripped/blown.
Check the fuse in the house electri-
cal installation.
Customer
From time to time, cold water
flows out.
The air sensor in the appliance de-
tects air in the water and momen-
tarily switches the heating element
off.
After a few seconds, the continu-
ous-flow heater automatically goes
back into operation.
Continuous-
flow heater
automati-
cally resolves
problem
The set temperature, for instance
41.0 °C flashes. The temperature
of the water leaving the tap is
higher than the set temperature.
The temperature of the water
supplying the continuous-flow
heater is higher than the set tem-
perature (e. g. due to pre-warmed
water supplied from a solar water
heater).
The thermostatic premixer in the
domestic supply must be set ac-
cordingly to lower temperatures.
Customer
Winter operation:The desired wa-
ter temperature leaving the tap is
no longer reached.
The supply temperature has
reduced.
Reduce the water flow on the taps
until the desired water temperature
is reached.
Customer
E02
No thermostatic premixer available
The supply temperature to the
continuous-flow heater is higher
than 55 °C (e. g. due to pre-warmed
water supplied from a solar water
heater).
Install a thermostatic premixer in
the domestic supply.
Customer
The supply temperature to the
continuous-flow heater is higher
than 55 °C (e. g. due to pre-warmed
water supplied from a solar water
heater).
The thermostatic premixer in the
domestic supply must be set ac-
cordingly to lower temperatures.
E03–E04
Temperature sensor defective
Please contact customer service.
Customer
Service
E05–E07
Electronic malfunction
Please contact customer service.
Customer
Service
E08
Frost damage
The water supply sensor measures
a temperature on ≤ 0 °C.
The appliance is defective! Switch
off the water supply immediately
and disconnect the appliance from
the electrical supply (also refer to
the safety instructions)
Please contact customer service.
Customer/
Servicing
expert
Summary of Contents for DE 1821515
Page 7: ...7 de 07 12 ...
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Page 23: ...II ca 72 388 ca 96 70 44 100 332 8 b c 7 b c 6 a b c 5 4B 4A 2 3 hot cold 100 1 A B ...
Page 24: ...III 2A 2B a 3 1 5 4 1 2 3 max 16 mm B ca 2 mm A ...
Page 27: ...A 1 2 3 4 L 3 L 2 L 1 3 2 1 PE PE B C ...
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