Manual de instrucciones de Chamberlain 2C507-2

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Garage Door Monitor
Models 915LM • 916LM • 2C507-2
Know when your garage door is open
WARNING WARNING
or closed!
Thank you for purchasing the LiftMaster Garage Door Monitor.
To prevent possible SERIOUS INJURY or DEATH from a closing
Monitor the status of your garage door from inside your home.
garage door:
No longer will you have to run downstairs or go outside just to
• Activate door ONLY when it can be seen clearly, is properly
WARNING
CAUTION
see if you or your childr

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GARAGE DOOR MONITOR OPERATION TROUBLESHOOTING When the receiver is powered up, both red and green LED’s The transmitter battery must be replaced every year to assure will blink once. The receiver will display the current status of consistent operation. Flashing of the red and green LED’s in a the programmed door transmitter. If no door transmitter(s) is special sequence normally indicates intermittent operation or a programmed to the receiver, the green and red LED will flash dead battery. simul