Troubleshooting
Fault
LED
Possible causes
Elimination
The door does not open.
Faulty or no power supply.
X
Check the power supply.
Range is too small.
X
Adjust range.
X
Remove metallic objects in
front of the sensor.
Wired wrong.
X
Check wiring and relay connection.
The door remains open.
The environment is influencing the
functional ability of the sensor.
X
Remove moving objects from
near the sensor.
Wired wrong.
X
Check wiring and relay connection.
The door remains open after de-
tection/activation.
Wrong output mode.
X
Switch the output mode to
pulse mode.
Wired wrong.
X
Check wiring and relay connection.
LED is lit
LED is not lit
