Troubleshooting - STIEBEL ELTRON DEM series Bedienung Und Installation

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Troubleshooting

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The appliance will not There is no voltage at the
start in spite of a fully appliance.
open DHW valve.
The aerator in the tap is
scaled up or dirty.
The water supply has
been interrupted.
The required The maximum
temperature is not being temperature set inside
reached. the appliance is too low.
The appliance operates
at its output limit.
If you cannot remedy the fault, notify your qualified contractor.
To facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000).
DEM . . Nr.: 000000-0000-000000
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Check the fuses/MCBs in
your fuse box.
Clean and/or descale the
aerator or replace the
special aerator.
Vent the appliance and
the cold water inlet line
(see chapter "Settings").
Have your qualified
contractor adjust the
maximum temperature.
Reduce the flow rate.
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