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© 2011, The Chamberlain Group, Inc.
114A4349B All Rights Reserved
If the light does not operate, below are some troubleshooting
suggestions.
Symptom Solution
The light does not
operate from the
switch.
• Verify the power is ON. Check the fuse box or
circuit breaker.
• Verify the light bulb is “good”.
• Press the top half of the remote light switch
to make sure it is ON.
• Ensure the device is properly grounded.
• Verify the electrical Line and Load wiring is
correct. If you are unsure which wires are
Line and Load, reverse the Line and Load
wire connections.
The light does not
operate from the
remote control.
• Make sure you are pressing the remote
control button selected to operate the light
control.
• The LED on the remote control should glow
when the button is pressed, if not replace the
battery.
• Program the remote control to the remote
light switch.
The LED flashes for
more than 10
minutes and cannot
enter the
programming
mode.
• This indicates an issue with low voltage or
improper grounding. Ensure the device is
properly grounded. Contact a qualified
electrician.
TROUBLESHOOTING
To avoid electric shock, press the switch to the OFF position when
changing the light bulb.
www.liftmaster.com
1-800-528-9131
1
Press and HOLD the “LEARN” button until the LED flashes
(approximately 6 seconds). All codes are now erased.
IMPORTANT NOTE: If multiple devices are programmed to the
switch, ALL devices will be erased.
TO ERASE ALL CODES FROM MEMORY
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