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Troubleshooting
Additional Troubleshooting
My garage door opener beeps and flashes its lights before door closes:
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Garage door opener has been activated through a device or feature such as Timer-to-Close or garage
door monitor.
My garage door opener stops, reverses, beeps and flashes its lights:
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Check for binding or obstructions anywhere along the track to garage floor.
My remote control will not activate the garage door:
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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 opener is working properly.
My door will not close and the lights blink on my opener:
The safety reversing sensor must be connected and aligned correctly before the garage door opener will
move in the down direction.
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Check for binding or obstructions anywhere along the track to garage floor.
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The safety reversing sensor must be connected and aligned correctly before the garage door opener
will move in the down direction.
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Verify the safety reversing sensors are properly installed, aligned and free of any obstructions.
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If the receiving sensor (green LED) faces direct sunlight, switch the receiving sensor with the
sending sensor so the receiving sensor is not in direct sunlight.
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.
Wi-Fi® troubleshooting
The garage door opener will NOT enter Wi-Fi® learn mode:
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After the initial installation of the garage door opener, the garage door opener must complete a full
cycle (open and closed) before the Wi-Fi
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learn mode can be activated.
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If there has been a recent power outage, the garage door opener must complete a full cycle before the
Wi-Fi
®
learn mode can be activated.
See page 37 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).
Safety sensor LED lights are not lit:
The opener may be in sleep mode. The sensor LEDs will turn on when the opener is activated. If the sensor
LEDs do not glow steadily when the opener is activated, see SAFETY SENSOR TROUBLESHOOTING page 32.
