LiftMaster 8165W Owners Manual - Page 32

Battery Backup, 1 Install the Battery*, 2 Test the Battery

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Battery Backup 1 Install the Battery* To reduce the risk of FIRE or INJURY to persons: l Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. l Use ONLY LiftMaster part # 485LM for replacement battery. l DO NOT dispose of battery in fire. Battery may explode. Check with local codes for disposal instructions. 2 Test the Battery 1. Unplug the garage door opener. The battery status LED will either glow solid orange indicating opener is operating on battery power or will flash indicating low battery power. NOTE: Make sure the garage door opener is unplugged. 2. Open and close the door using the remote control or door control. NOTE: The garage door opener may run slower if the battery is not fully charged. The battery will take 24 hours to fully charge. 3. Plug in the garage door opener. Verify the battery status LED is flashing green, indicating the battery is charging. 1 2 3 ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. 1. Unplug the garage door opener. 2. Open the light lens of the garage door opener. 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 the battery cover. 6. Plug in the garage door opener. 7. Wait for the green Battery Status LED to start flashing before proceeding to test the battery. * If applicable. Battery Status LED 32

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32
Battery Backup
1 Install the Battery*
To reduce the risk of FIRE or INJURY to persons:
l
Disconnect ALL electric and battery power BEFORE performing ANY service or
maintenance.
l
Use ONLY LiftMaster part # 485LM for replacement battery.
l
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.
1.
Unplug the garage door opener.
2.
Open the light lens of the garage door opener. 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 the battery cover.
6.
Plug in the garage door opener.
7.
Wait for the green Battery Status LED to start flashing before proceeding to test
the battery.
Battery
Status LED
* If applicable.
2 Test the Battery
1.
Unplug the garage door opener. The battery status LED will either glow solid
orange indicating opener is operating on battery power or will flash indicating
low battery power.
NOTE:
Make sure the garage door opener is unplugged.
2.
Open and close the door using the remote control or door control.
NOTE:
The
garage door opener may run slower if the battery is not fully charged. The battery
will take 24 hours to fully charge.
3.
Plug in the garage door opener. Verify the battery status LED is flashing green,
indicating the battery is charging.
1
2
3