Application manual
KNX standard wall presence detector with movement function EK-SN2-TP-
…
Rev. 1.0
– 29/09/2022
MAEKSN2TP_EN
© Ekinex S.p.A.
– All rights reserved
Pag. 27
16
Troubleshooting
Lighting / HVAC
output
does not turn on
Sensor is not powered.
Verify the KNX bus connection
Incorrect wiring
Refer to wiring diagram for correct
connection
Incorrect Lux setting.
Check if Lux is set to the correct value
Unable to detect movement
Check detection range setting
Lighting / HVAC
output does not turn
off
Auto off time is set too long
Set auto off time to a shorter time and
check if the load is or not switched off
according to the pre-set delay off time
Sensor is triggered
Keep away from the detection range
to avoid activating the sensor while
doing the test
Red LED
does not
turn on
Sensor is not set to Test mode
Activate test mode
Detection range exceeded
Walk in the effective detection range
LED indicating function is set
to “Disable”.
Set the LED indicating function to
“Enable” via ETS software
The sensor has an incorrectly
positioned shield
Check the positioning of the optical
shield on the lens
Erratic trigger events
Sources of heat may affect the
sensor
Verify that the sensor is not aimed
towards any heat source such as air
conditionings, electric fans, heaters
etc.
Reflective surfaces are
reflecting radiation from heat
sources toward the sensor
Verify that the sensor is not aimed
towards any highly reflective surfaces
There are moving objects in
the detection area
Make sure there are no swaying or
moving objects within the detection
coverage
17 Package contents
EK-SN2-TP Sensor
Lens shield
Instruction sheet
