Siemens DE2427555: A fault, what to do? Fault Cause Solution Who

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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 un-

necessary visit by customer service personnel.

Fault Cause Solution Who

Water flow-rate is too low. The filter in either the water

Remove the filter and either

Customer

tap or the showerhead is

clean it or descale it.

clogged.

The filter in the corner regu-

Get a servicing expert to

Servicing

lating valve is clogged.

clean the filter.

expert

The filter upstream from the

Remove the filter and either

Servicing

check valve in the cold water

clean it or descale it.

expert

supply inlet is clogged.

The water volume is stead-

Automatic regulation See chapter "The meaning of

Customer

ily reducing during use.

display indications –

Performance indicator"

The temperature can not

The child protection

fea-

Deactivation of the child pro-

Customer

be set warmer than 42 °C.

ture is activated.

tection feature “Operating

the continuous-flow heater

– Child protection“

The set water temperature

The thermostatically-con-

Set the temperature on the

Customer

is not achieved when a

trolled premixer only con-

continuous-flow heater to

thermostatically-controlled

trols accurately with high

60 °C.

premixer is used.

water supply temperatures.

No display;

The fuse in the house

Check the fuse in the house

Customer

the water is not getting

electrical installation has

electrical installation.

warm.

tripped/blown.

The appliance's automatic

Get the appliance's auto-

Servicing

circuit breaker has been

matic circuit breaker checked

expert

tripped.

by an electrician.

From time to time, cold

The air sensor in the appli-

After a few seconds, the

Continuous-

water flows out.

ance detects air in the water

continuous-flow heater au-

flow heater

and momentarily switches

tomatically goes back into

automati-

the heating element off.

operation.

cally resolves

problem

The set temperature, for in-

The temperature of the

The thermostatic premixer

Customer

stance 41.0 °C flashes. The

water supplying the contin-

in the domestic supply must

temperature of the water

uous-flow heater is higher

be set accordingly to lower

leaving the tap is higher

than the set temperature

temperatures.

than the set temperature.

(e.g. due to pre-warmed

water supplied from a solar

water heater).

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