Owner's Manual

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Legend
Status
LED o
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LED flashes
LED glows
steadily
+
-
Terminal
Note: The opener will run at a slower speed
when powered only by the battery.
Installing Battery Backup
WARNING
To reduce the risk of FIRE or INJURY to persons:
- Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
- Use ONLY Guardian part for replacement battery.
- DO NOT dispose of battery in re. 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.
Install the Battery Backup
1. Unplug the garage door opener.
2. Unscrew the #10-32” screws (2).
3. Fasten the battery bracket to the garage door opener using #10-32” screws (2).
4. Connect battery back up wire to the corresponding terminal on the garage door opener.
5. Slide battery back up onto the bracket and fasten with a #10 -32” screw.
6. Insert the battery into the compartment and connect the red wire (light gray) to the (+) terminal and the black wire to
the (-) terminal.
7. Place the battery in a vertical position with the terminals facing up.
8. Install battery cover and plug in garage door opener.
Battery and Status Indicator
*To comply with CA SB-969, installation of the B5 A928 battery backup is mandatory in the state of California.
Power mode Status Indicators Description
AC 120V mains
Battery is fully charged. The fully charge
time is 24 hours.
Battery is being charged.
Power Outage
(Battery mode)
The opener is powered by battery.
Battery is low.
The opener is operating with battery.
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Hex Screw
#8 - 18 x 5/16’