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8 | CNS Trend www.stiebel-eltron.com
OPERATION | INSTALLATION
Cleaning, care and maintenance
6. Cleaning, care and maintenance
The appliance contains no user serviceable parts.
Material losses
- Never spray cleaning spray into the air slot.
- Ensure that no moisture can enter the appliance.
- If a pale brownish discolouration appears on the appliance
casing, wipe it off with a damp cloth.
- Clean the appliance when cold with ordinary cleaning prod-
ucts. Avoid abrasive or corrosive cleaning products.
Note
We recommend having the control components checked
as part of regular maintenance.
Have a qualified contractor check the safety and
control components no more than 10years after
commissioning.
7. Troubleshooting
Problem Cause Remedy
Room does not get
warm enough. Ap-
pliance does not get
hot.
Temperature set too low
on the appliance.
Check the selected room
temperature. Adjust if nec-
essary.
No power supply.
Check position of the ON/OFF
switch, RCD and fuse/MCB in
your fuse box.
Room does not get
warm enough al-
though the appliance
is hot.
Overheating. High limit
safety cut-out limits
heating output.
Eliminate the cause (dirt or
obstructions at the air inlet
or outlet). Observe minimum
clearances.
The heat demand of the
room is higher than ap-
pliance output.
Remove heat losses (Close
windows and doors. Avoid
constant venting.)
Room gets too hot.
Temperature set too high
on the appliance.
Check the selected room
temperature. Adjust if nec-
essary.
Detected room tempera-
ture does not match actu-
al room temperature.
Avoid obstructions to air
change between appliance
and indoor air.
Window open de-
tection does not
respond.
Appliance does not detect
a pronounced tempera-
ture drop due to venting.
(Window open detection
requires previously sta-
ble room temperature.)
Wait a while after making
settings on the appliance,
until the room temperature
has fully stabilised.
Avoid obstructions to air
change between appliance
and indoor air.
Manually switch the appli-
ance into standby mode for
the duration of venting.
Window open detection
is not enabled.
Switch on window open
detection in the standard
menu.
"Adaptive start" func-
tion does not work as
required.
This function is only ef-
fective in timer mode.
Use the timer mode for opti-
mised heating convenience.
Severely fluctuating room
temperature or the appli-
ance learning procedure
has not been completed.
Wait a few days for behav-
iour to stabilise.
“Adaptive start” function
is not enabled.
Switch on the "Adaptive
start" function in the stand-
ard menu.
Problem Cause Remedy
"Err" or "E..." is dis-
played.
Internal fault detected. Notify the qualified con-
tractor.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your request, provide the number from
the type plate (000000-0000-000000).
INSTALLATION
8. Safety
Only a qualified contractor should carry out installation, commis-
sioning, maintenance and repair of the appliance.
8.1 General safety instructions
We guarantee trouble-free function and operational reliability only
if original accessories and spare parts intended for the appliance
are used.
CAUTION Burns
- Only mount the appliance on a vertical wall that is
temperature-resistant to at least 85°C.
- Maintain the minimum clearances to adjacent ob-
jects.
!
Material losses
- Never install the appliance directly below a wall
socket.
- Ensure that the power cable is not in contact with
any appliance components.
8.2 Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
9. Appliance description
9.1 Standard delivery
The following are delivered with the appliance:
- Wall mounting bracket (hooked into the appliance)
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