Loading ...
Loading ...
Loading ...
WARNING
CAUTION
To reduce the risk of FIRE or INJURY to persons:
Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
Use ONLY Chamberlain part # G4228 for replacement battery.
DO NOT dispose of battery in re. Battery may explode. Check with local codes for disposal
instructions.
Garage door opener lights
myQ
®
App control and monitoring
Unattended close including Timer-to-Close
ALWAYS wear protective gloves and eye protection when changing the battery or working around
the battery compartment.
The 12V battery backup allows access in and out of your garage, even when the power is out. The
battery does not have to be fully charged to operate the garage door opener. When the garage door
opener is operating on battery power, it may run slower and the following features are disabled:
36
Depending on the power level, the battery may need to charge before performing the test. The garage
door opener must be unplugged to test the battery.
1. Open and close the door using the remote control or door control. While the motor is on, the
battery status LED will either glow solid orange indicating opener is operating on battery power
or will ash indicating low battery power.
NOTE: The garage door opener may run slower if the
battery is not fully charged.
2. Plug in the garage door opener. Verify the battery status LED is ashing green, indicating the
battery is charging.
The battery charges when the garage door opener is plugged into a 120Vac electrical outlet that has
power and requires 24 hours to fully charge. A fully charged battery supplies 12Vdc to the garage door
opener for up to 24 hours of normal operation during an electrical power outage. After the electrical
power has been restored, the battery will recharge within 24 hours. The battery will last approximately
1 to 2 years with normal usage. Instructions for replacement are provided with the battery. To obtain
maximum battery life and prevent damage, disconnect the battery when the garage door opener is
unplugged for an extended period of time, such as a summer or winter home.
Green battery status LED: All systems are normal.
A solid green LED light indicates the battery is fully charged.
A ashing green LED indicates the battery is being charged.
Orange battery status LED: The garage door opener has lost power and is in battery backup mode.
Solid orange LED while the motor is on, indicates the garage door opener is operating on battery
power.
A ashing orange LED while the motor is on, indicates the battery is low.
The opener beeps every 2 seconds while operating on battery power.
Red battery status LED: The battery needs to be replaced.
A solid red LED indicates the battery will no longer hold a charge. Go to chamberlain.com to
purchase a replacement battery to allow your system to operate during a power outage.
Battery Backup
STEP 1 Install the Battery
MODEL C2212T
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 ashing before proceeding to test the battery.
Test the Battery
Charge the Battery
Battery Status
Battery Status LED
Loading ...
Loading ...
Loading ...