www.stiebel-eltron.com DHE | 71
OPERATION
Troubleshooting
ENGLISH
6. Troubleshooting
Problem Cause Remedy
The appliance will not
start despite the DHW
valve being fully open.
There is no power.
Check the fuses/ MCBs in
your fuse box/ distribu-
tion board.
The aerator in the tap
or the shower head is
scaled up or dirty.
Clean and/or descale the
aerator or shower head.
The water supply has
been interrupted.
Vent the appliance and
the cold water inlet line.
When hot water is being
drawn off, cold water
flows for a short period.
The air sensor is detect-
ing air in the water. It
briefly switches off the
heating output.
The appliance restarts
automatically after
1minute.
The required tempera-
ture cannot be set.
The high limit safety
cut-out and/or internal
anti-scalding protection
are enabled.
Deactivate the temper-
ature limit. The internal
anti-scalding protection
can only be adjusted by
qualified contractors.
The flow rate is too low.
ECO function is enabled.
Select a different ECO
level or disable the ECO
function.
No settings can be made
on the programming
unit.
The operating lock is
enabled.
To deactivate the oper-
ating lock, press the "i"
button for more than
12seconds.
Note
Programming unit displays and selected settings are re-
tained following a power failure.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000).
Nr. 000000-0000-00000
D0000053312
To Next Page
Loading...
Need help?
General
