To Next PageTo Next PageHow to fix dim receiving eye indicator light on Chamberlain Whisper Drive Security+ HD900D Garage Door Opener?
If the receiving eye indicator light is dim on your Chamberlain Garage Door Opener, try to realign either sensor.
General| Horsepower | 1/2 HP |
|---|---|
| Drive System | Belt Drive |
| Security Features | Security+ 2.0 |
| Remote Control | Yes |
| Smartphone Control | Yes |
| Motor Type | DC Motor |
| Security | Security+ 2.0 |
| Battery Backup | No |
| Wi-Fi Capable | Yes |
| Max Door Height | 7 ft |
| Max Door Weight | 350 lbs |
| Lighting | Yes |
| Warranty | Lifetime Motor Warranty |
Lists necessary hand tools for assembly and installation.
Details planning steps for sectional garage doors, including reinforcement.
Details planning steps for one-piece garage doors and reinforcement needs.
Secures the assembled rail to the motor unit.
Installs the idler pulley onto the rail assembly.
Install the backup battery into the motor unit.
Install the light bulbs into the motor unit sockets.
Mount sensor brackets and run wires to the opener.
Properly align sensors for correct operation.
Test the door's ability to reverse upon encountering an obstruction.
Verify the proper function of the safety reversing sensors.
Instructions for testing and charging the optional battery backup.
Instructions to add or reprogram hand-held remote controls.
Clear all previously programmed remote control codes.
