Chamberlain 1000SD 1/3 HP Owners Manual page 18

Installation Step 8
Electrical Requirements
only
To avoid installation difficulties,
do not run the opener until Step 9 below.
•If permanent wiring is required by your local code,
refer to the following procedure:
WARNING
To prevent electrocution, remove power from the
garage door opener and from the circuit you plan to
use for the permanent connection.
The opener must be grounded.
Installation Step 9
Complete Safety Reversing Sensor
Installation
Aligning the Safety Sensors
•
receiving eye
sending
receiving
steadily,
WARNING
CAUTION
glow steadily
glows
WARNING
To prevent electrocution or fire, installation and wiring
must be in compliance with local electrical and building
codes.
Do NOT use an extension cord, 2-wire adapter, or change
the plug in any way to make it fit your outlet.
Right
Permanent Wiring
Connection
Trouble Shooting
sending eye
steadily
NOTE: When the invisible beam path is obstructed or
misaligned while the door is closing, the door will
reverse. If the door is already open, it will not close. The
opener lights will flash 10 times. (If bulbs are not
installed, 10 clicks are audible.) See page 12.
Wrong
glow
glows steadily