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Troubleshooting
5.
Troubleshooting
Observe chapter „Recalibrating the sensor" to restore the factory
settings.
Problem
Cause
Water does not run.
The sensor does not rec-
ognise black objects.
The sensor is flashing.
The sensor is dirty.
Reflection in the wash-
basin.
Short spray of water at
The power supply is in-
the tap outlet.
sufficient.
The sensor is dirty.
The tap switches inde-
Reflections in the wash-
pendently.
basin trigger the flow of
water.
The water flow is too low. The aerator is blocked.
The tap switches off.
An object is within range
of the sensor for approx.
90 seconds without
moving.
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 on the cold water supply (000000-
0000).
5.1
Recalibrating the sensor
Your settings will remain unchanged after recalibration. The sen-
sor is automatically recalibrated to the washbasin.
2 s
1x
2x
2x/1x/...
5 s
4x
1x
1x
18 | WSN 10 | WSN 20
Remedy
Select an object with a
different colour.
Clean the sensor (see
chapter "Cleaning and
care").
Remove the object or
carry out recalibration.
Restore the power supply
or replace the battery.
Clean the sensor.
Recalibrate the sensor.
Clean/replace the aer-
ator.
The tap automatically re-
calibrates the sensor.
f Touch the touch area for 2 sec-
f
onds. The green LED lights up
once.
f Touch the touch area briefly
f
twice (0.5 seconds). The green
LED gives two short flashes
and one long flash. The red
LED pulses.
f Touch the touch area for ap-
f
prox. 5 seconds until the LED
has flashed red four times. Do
not reach into the sensor area.
f The water will run briefly
f
and the green LED lights up
once. The tap is then ready for
operation.
5.2
Replacing the battery in the WSN 20 sensor tap
A
C
Note
The sensor tap is powered by a lithium battery.
Remove spent batteries. Leaking batteries cause damage
which is excluded from any warranty. Non-rechargeable
batteries must not be recharged.
Never use rechargeable batteries.
If the sensor tap is not going to be used for an extended
period, remove the battery.
Battery disposal
Never dispose of batteries with domestic waste. Spent
batteries may contain noxious substances that can be det-
rimental to the environment and human health. Dispose
of batteries through your dealer or via a central recycling
point for special waste.
5.3
Supplement "Touch settings and
programming" on the internet
Note
You can also find separate instructions for
"Touch settings and programming" for the
sensor tap on the internet. To view this,
scan the QR code or paste this link into
your browser: www.stiebel-eltron.de/
sensorarmaturen
We recommend that you:
f Print out the instructions and laminate them.
f
f Position the instructions close to the sensor tap.
f
B
D
10 sec.
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