LiftMaster 81602 Owners Manual - English French Spanish - Page 39
Using the Door Control, MAINTENANCE ALERT SYSTEM MAS
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Operation Using the Door Control LOCK Your remote controls will NOT work when LOCK mode is active however your keyless entry will still allow access to your garage. Activate: Press and hold the LOCK button for 2 seconds. The command LED will flash as long as the lock feature is activated and your handheld remote control will not operate your door at this time. Deactivate: Press and hold the LOCK button again for 2 seconds. The command LED will stop flashing and normal operation will resume. Command LED LOCK Button MAINTENANCE ALERT SYSTEM (MAS): Activate/Deactivate: Press and hold the LEARN button. Then press the LIGHT button. The service LED will flash the status; Active is 2 flashes and deactivated is 3 flashes. Service LED LEARN Button LIGHT Button 39