Chamberlain HD920EV Garage Door Opener User Manual


 
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2 Ensure the Safety Reversing Sensors are aligned
The doorwillnot close if the sensors have not been
installedand alignedcorrectly.
When the lightbeam isobstructed or misaligned while
the door isclosing,the door will reverse and the
garage door opener lightswill flash ten times.Ifthe
door isalreadyopen,itwill notclose. The sensorscan
be aligned byloosening the wing nuts,aligning the
sensors,and tightening the wing nuts.
.
2.1 Checkto make sure the LEDs in both sensors are glowing steadily.The LEDsin both sensorswill glowsteadilyiftheyare aligned and
wired correctly.
Green LED
ROSNES GNIVIECERROSNES GNIDNES
Amber LED
If the receiving sensor is in
direct sunlight, switch it with
sending sensor so it is on the
opposite side of the door.
(invisible light beam)
IF THE AMBERLEDONTHE SENDING SENSORIS NOT GLOWING: IF THE GREEN LEDONTHE RECEIVING SENSORIS NOTGLOWING:
Make sure there is
power to the garage
door opener.
Make sure the
sensor wire is not
shorted/broken.
RED
WHITE
WHITE
GREY
Make sure the sensor has been wired
correctly: white wires to white terminal
and white/black wires to grey terminal.
Make sure the sensors are aligned.Make sure the sensor wire is
not shorted/broken.
3 Ensure the Door Control is wired correctly
Ifthe door control hasbeen installed and wired correctly,a message will display on the SmartControl Panel screen or the command LED on the Motion-Detecting Control Panel will blink.
Power