LiftMaster 829LM Garage and Gate Monitor - Manuel (Page 2)

2
Features (Continued)
LED INDICATORS
AUDIBLE ALERT
Audible tones alert you of the garage door(s) status. The Volume Control button allows
you to set the volume to low, medium, high, or off.
LEDs MEANING
Red Green
Blinking Off At least one garage door is open
Off Solid ALL doors are closed
Solid Off No signal has been received from a programmed garage
door opener within the last 20 minutes (implies a power
outage or a garage door opener malfunction)
Solid Solid The garage door monitor has been successfully
programmed
Red and green LEDs blink
simultaneously The garage door(s) is closing after pressing the Close Door
button
Red and green LEDs blink
alternately and slow The garage door monitor is not programmed to any garage
door opener
Red and green LEDs blink
alternately fast The garage door monitor is in programming mode
Off Off No power to the garage door monitor
AUDIBLE TONES MEANING
One short beep*
• Initiated Programming
• Initiated Erase Memory
• Memory has been erased
• Close Door button has been pressed
Two short beeps The garage door monitor has been
successfully programmed
Two long beeps Failed attempt to program fifth garage door opener
Three short beeps* A garage door(s) is opening
One short beep repeating* A garage door(s) is open
One long beep repeating* No communication with the garage door opener
One long beep* Door closes successfully after pressing Close Door button
* These beeps will not be heard if the volume is set to OFF.