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A fault, what to do?
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.
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 heating system is
clogged.
Get a servicing expert to clean the
filter.
Servicing expert
The desired water tempera-
ture is not reached.
The continuous-flow heater is
connected to a thermostatically-
controlled water tap.
Set the temperature on the continu-
ous-flow heater to “max”.
Customer
The power limit has been reached.
Water flow-rate is too high and/or
the cold water supply temperature
is too low.
Reduce the flow-rate at the water tap
supply.
Customer
By a qualified professional:
use the corner valve to regulate the
flow-rate.
Check the flow-rate limiter or replace it
with a smaller one.
Servicing expert
The water is not sufficiently
warm.
The fuse in the fusebox has
tripped/blown.
Check the fuse in the fusebox. Customer
The appliance‘s automatic circuit
breaker has been tripped.
Get the appliance‘s automatic cir-
cuit breaker checked by an electri-
cian. Check the permissible supply
temperature.
Servicing expert
The power limit has been reached.
Water flow-rate is too high and/or
the cold water supply temperature
is too low.
By a qualified professional:
use the corner valve to regulate the
flow-rate.
Check the flow-rate limiter or replace it
with a smaller one.
Servicing expert
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 continuous-
flow heater automatically goes back
into operation.
Continuous-
flow heater
automatically
resolves problem
Winter operation:
The desired water tempera-
ture 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
The appliance does not
start (heat), no water flows.
Power failure or initial start-up. Starts rinsing:
Open the warm water tap and
allow water to flow for at least
1 minute (flow-rate at least 6 litres per
minute). Only then (for safety reasons)
will the appliance begin to heat.
Should the appliance not start because
of a reduced flow-rate, remove the
perlator, shower head or similar before
start and repeat the process.
Customer
If the fault could not be eliminated, please call customer service.
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