LiftMaster 98022 Owners Manual - English French Spanish - Page 18
Install the Battery Backup, BATTERY STATUS LED
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Installation 9 Install the Battery Backup When in Battery Backup mode, myQ Smartphone Control and wireless myQ devices will be disabled. In battery backup mode, the automatic garage door lock will unlock when the garage door is opened, and will remain disabled until power is restored. 1. Unplug the garage door opener. 2. Use a Phillips head screwdriver to remove the battery cover on the garage door opener. 3. Partially insert the battery into the battery compartment with the terminals facing out. 4. Connect red (+) and black (-) wires from the garage door opener to the corresponding terminals on the battery. 5. Replace battery cover and route antenna into channel. 6. Plug in the garage door opener. BATTERY STATUS LED GREEN LED: All systems are normal. • A solid green LED light indicates the battery is fully charged. • A blinking green LED indicates the battery is being charged. ORANGE LED: The garage door opener has lost power and is in battery backup mode. • A solid orange LED with beep, sounding approximately every 2 seconds, indicates the garage door opener is operating on battery power. • A blinking orange LED with beep, sounding every 30 seconds, indicates the battery is low. RED LED: The garage door opener's 12V battery needs to be replaced. • A solid red LED with beep, sounding every 30 seconds, indicates the 12V battery will no longer hold a charge and needs to be replaced. Replace the battery back up to maintain the battery backup feature. NOTE: Battery does not have to be fully charged to operate the garage door opener. To reduce the risk of FIRE or INJURY to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part #485LM for replacement battery. • DO NOT dispose of battery in fire. Battery may explode. Check with local codes for disposal instructions. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Battery Status LED Red wire (+) Black wire (-) Antenna NOTE: Be sure the short antenna is not pinched by the battery door and held in place as shown. 18