Siemens DE1821515: 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 unnecessary visit by customer service

personnel.

Fault Cause Solution Who

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

Remove the filter and either

Customer

the showerhead is clogged.

clean it or descale it.

The filter in the corner regulating

Get a servicing expert to clean the

Servicing

valve is clogged.

filter.

expert

The desired water temperature is

The continuous-flow heater is

Set the temperature on the continu-

Customer

set, but it is not reached.

connected to a thermostatically-

ous-flow heater to “60 °C”.

controlled water faucet.

The display is blank The fuse in the house electrical in-

Check the fuse in the house electri-

Customer

stallation has triggered/blown.

cal installation.

The appliance's automatic circuit

Get the appliance's automatic

Servicing

breaker has been tripped.

circuit breaker checked by an

expert

electrician.

The water is not warm. The fuse in the house electrical in-

Check the fuse in the house electri-

Customer

stallation has tripped/blown.

cal installation.

From time to time, cold water

The air sensor in the appliance de-

After a few seconds, the continu-

Continuous-

flows out.

tects air in the water and momen-

ous-flow heater automatically goes

flow heater

tarily switches the heating element

back into operation.

automati-

off.

cally resolves

problem

The set temperature, for instance

The temperature of the water

The thermostatic premixer in the

Customer

41.0 °C flashes. The temperature

supplying the continuous-flow

domestic supply must be set ac-

of the water leaving the tap is

heater is higher than the set tem-

cordingly to lower temperatures.

higher than the set temperature.

perature (e. g. due to pre-warmed

water supplied from a solar water

heater).

Winter operation:The desired wa-

The supply temperature has

Reduce the water flow on the taps

Customer

ter temperature leaving the tap is

reduced.

until the desired water temperature

no longer reached.

is reached.

E02 No thermostatic premixer available

Install a thermostatic premixer in

Customer

The supply temperature to the

the domestic supply.

continuous-flow heater is higher

than 55 °C (e. g. due to pre-warmed

water supplied from a solar water

heater).

The supply temperature to the

The thermostatic premixer in the

continuous-flow heater is higher

domestic supply must be set ac-

than 55 °C (e. g. due to pre-warmed

cordingly to lower temperatures.

water supplied from a solar water

heater).

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 appliance is defective! Switch

Customer/

The water supply sensor measures

off the water supply immediately

Servicing

a temperature on ≤ 0 °C.

and disconnect the appliance from

expert

the electrical supply (also refer to

the safety instructions)

Please contact customer service.