Additional Troubleshooting - Chamberlain C253 Guide De L'utilisateur

Troubleshooting

Additional Troubleshooting

The garage door opener can beep for several reasons:
Operating on battery power or the 12 Vdc battery needs to be replaced.
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Garage door opener has been activated through a device or feature such as Timer-to-Close or garage door
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monitor, see your door control in the Operation section.
My remote control will not activate the garage door:
Verify the lock feature is not activated on the door control.
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Reprogram the remote control.
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If the remote control will still not activate the door check the diagnostic codes to ensure the garage door
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opener is working properly.
My door will not close and the light bulbs blink on my motor unit:
The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the
down direction.
Verify the safety reversing sensors are properly installed, aligned and free of any obstructions.
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My garage door opener light(s) will not turn off when the door is open:
The garage door opener is equipped with a feature that turns the light on when the safety reversing sensors have
been obstructed or when the motion sensor on the door control detects movement in the garage. These features can
be disabled using the door control, see your door control in the Operation section.
NOTICE: This device complies with part 15 of the FCC rules and Innovation, Science and Economic Development Canada license-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This device must be installed to ensure a minimum 20 cm (8 in.) distance is maintained between users/bystanders and device.
This device has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules and Industry Canada ICES standard. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
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Increase the separation between the equipment and receiver.
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Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
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Consult the dealer or an experienced radio/TV technician for help.
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Wi-Fi troubleshooting
The garage door opener will NOT enter Wi-Fi LEARN mode:
After the initial installation of the garage door opener, the garage door opener must complete a full cycle (open
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and closed) before the Wi-Fi LEARN mode can be activated.
If there has been a recent power outage, the garage door opener must complete a full cycle before the Wi-Fi
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LEARN mode can be activated.
See page 3 to activate Wi-Fi LEARN mode.
If your black adjustment button is not solid green go to support.chamberlaingroup.com.
My vehicle's Homelink is not programming to my garage door opener:
Compatibility Bridge (not included) may be necessary for certain vehicles. Visit bridge.chamberlain.com to find out if a
Bridge is needed.
My neighbor's remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote control(s).
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