Neither LED in the receiver is lit.
Both the yellow and red LEDs of the door
detector are lit without interruption
between the RX and TX.
The plastic filter is too dirty.
Other infrared equipment is nearby.
The ambient light is stronger than allowed.
There is a system fault.
I LED si accendono correttamente
quando vengono interrotti, ma la
porta di cabina non si apre.
Wrong connection with NC/NO contacts.
The output relay is broken.
Check the wiring.
The green LED in the power supply
is not lit.
The power supply wires are broken or
incorrectly connected.
The terminal connection is too loose.
The power supply is broken and needs
to be replaced.
The cable is broken or not connected.
· Keep connection cables away from high voltage and/or high current wires.
· Keep connection cables away from door motor and door drive.
· Avoid direct sunlight or other infrared ingress to the receiver (RX).
· Prior to power-on, clean the lenses with a soft, damp cloth.
· Do not bend or twist the edges, and do not scratch the lenses.
PLANNED MAINTENANCE PROCEDURE
· Ensure that the yellow LED is lit (system functioning), then clean the lense with a soft,
damp cloth.
· Check all plug and terminal connections.
· Perform a detection test by inserting an object greater than 50mm between the TX
and RX.
· The red LED status indicator will light to confirm object detection.
NOTES AND ADVICE
TROUBLESHOOTING
Power Supply LEDs Door Detector LEDs
