Instructions
Page 4
...is continuously blinking, the Lock feature needs to be deactivated. All Rights Reserved FOR SERVICE DIAL OUR TOLL FREE NUMBER: 1-800-528-9131 www.liftmaster.com Press the HOLD OPEN button again to resume normal TTC operation. 1 Minute TTC LED ON Button 5 Minute TTC LED 10 Minute TTC ...: If you have an 880LM installed and the TTC is indicated by the number of flashes. If the 3 LED's are blinking and you have an 881LM ONLY, press the ON button to a custom time, the 3 LED's on . Motion Sensor Switch Motion Sensor MAINTENANCE ALERT SYSTEM (MAS) Activate/Deactivate:...
...is continuously blinking, the Lock feature needs to be deactivated. All Rights Reserved FOR SERVICE DIAL OUR TOLL FREE NUMBER: 1-800-528-9131 www.liftmaster.com Press the HOLD OPEN button again to resume normal TTC operation. 1 Minute TTC LED ON Button 5 Minute TTC LED 10 Minute TTC ...: If you have an 880LM installed and the TTC is indicated by the number of flashes. If the 3 LED's are blinking and you have an 881LM ONLY, press the ON button to a custom time, the 3 LED's on . Motion Sensor Switch Motion Sensor MAINTENANCE ALERT SYSTEM (MAS) Activate/Deactivate:...