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To reduce the riskofFIRE or INJURY to persons:
• DisconnectALL electric and battery power
BEFORE performing ANY service or
maintenance.
• Use ONLY Chamberlain part# 41A6357-1
for replacementbattery.
• DO NOT dispose of battery in fire. Batterymay
explode.Checkwith local codes for disposal
instructions.
1 Install the battery
1.1 Unplug the garage door opener.
1.2 Open the lightlenson the right side panel ofthe garage door opener. Use a Phillips
head screwdriver to remove the batterycover on the garage door opener.
1.3 Partiallyinsert the battery into the batterycompartment with the terminals facing out.
1.4 Connectred (+) and black (-) wires from the garage door opener to the
corresponding terminals on the battery.
1.5 Replace the batterycover.
1.6 Plug in the garage door opener.
1.7 Wait for the green Battery StatusLED to start flashing before proceeding to testthe
battery.
ALWAYS wear protective gloves and eye
protection when changing the battery or working
around the batterycompartment.
2 Test the battery
2.1
Unplug the garage door
opener. The battery statusLED
will either glow solid orange
indicating opener is operating
on battery power or will flash
indicating low batterypower.
NOTE: Make sure the garage
door opener is unplugged.
2.2
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.
2.3 Plug in the garage door opener. Verify
the battery status LED flashing green,
indicating the batteryis charging.
Battery Backup