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40
DIAGNOSTIC CODE SYMPTOM SOLUTION
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Flash(es)
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Flash(es)
4 6
The garage door opener will not close and the light bulbs flash. Safety reversing sensors are misaligned or were momentarily obstructed. Realign both sensors to
ensure both LEDsare steady and not flickering. Make sure nothing is hanging or mounted on the
door that would interrupt the sensor’s path while closing.
The garage door opener can beep for several reasons:
l Operating on battery power or the 12 Vdc battery needs to be replaced, see page 31.
l Garage door opener has been activated through a device or feature such as Timer-to-Close or
garage door monitor,see page 36.
My remote control will not activate the garage door:
l Verify the lockfeature isnot activated on the door control.
l Reprogram the remote control.
l If the remote control will still not activate the door checkthe diagnostic codes to ensure the garage
door opener isworking properly.
My door will not close and the light bulbs blink on my motor unit:
The safety reversing sensor mustbe connected and aligned correctly before the garage door opener
will move in the down direction.
l Verify the safety reversing sensors are properly installed, aligned and free of any obstructions.
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 detectsmovement in the
garage. These features can be disabled using the door control, see page 35.
Wi-Fitroubleshooting
The garage door opener will NOT enter Wi-Fi LEARNmode:
l After the initial installation ofthe garage door opener, the garage door opener must complete a
full cycle (open and closed) before the Wi-Fi LEARNmode can be activated.
l If there has been a recent power outage, the garage door opener must complete a full cycle
before the Wi-Fi LEARNmode can be activated.
See page 32 to activate Wi-Fi LEARN mode.
If your blackadjustment button is not solid green go to wifihelp.chamberlain.com.
My vehicle's Homelink
®
is not programming to my garage door opener:
CompatibilityBridge
TM
(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).
Green battery status LED - All systems are normal:
l A solid green LED light indicates the battery is fully charged.
l A flashing 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:
l A solid orange LED with beep, sounding approximately every 2 seconds,indicates the garage door
opener is operating on battery power.
l A flashing orange LED with beep, sounding every 30 seconds,indicates the battery is low.
Red battery status LED - The garage dooropener's 12V battery needs to be replaced:
l A solid red LED with beep, sounding every 30 seconds,indicates the 12V battery will no longer hold
a charge and needs to be replaced. Please call for replacement battery to allow your systemto
operate during a power outage.
Battery Status LED
Troubleshooting
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