LiftMaster 8165W Owners Manual - Page 44

My vehicle's Homelink, DIAGNOSTIC CODE

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Troubleshooting DIAGNOSTIC CODE SYMPTOM Up Arrow Flash(es) Down Arrow Flash(es) SOLUTION 4 1-4 Door is moving stops or reverses. Manually open and close the door. Check for binding or obstructions, such as a broken spring or door lock, correct as needed. If the door is binding or sticking contact a trained door systems technician. If door is not binding or sticking attempt to reprogram travel (refer to page 30). 4 5 Opener runs approximately 6-8" (15-20 cm), Communication error to travel module. Check travel module connections, replace travel stops and reverses. module if necessary. 4 6 The garage door opener will not close and the Safety reversing sensors are misaligned or were momentarily obstructed. Realign both light bulbs flash. sensors to ensure both LEDs are 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 will NOT enter Wi-Fi® LEARN mode: l 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 LEARN mode 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 LEARN mode can be activated. See page 36 to activate Wi-Fi LEARN mode. Cannot connect garage door opener to home Wi-Fi network: l Ensure the myQ Serial number was entered correctly and try again. The myQ characters are between A-F and 0-9 only. l Weak Wi-Fi signal in the garage. Ensure the Wi-Fi signal is reaching the garage, see page 4 or visit WiFiHelp.LiftMaster.com for more information. 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. 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. This feature can be disabled using the door control, see page 39. My neighbor's remote control opens my garage door: Erase the memory from your garage door opener and reprogram the remote control(s). My vehicle's Homelink® is not programming to my garage door opener: Depending on the make, model, and year of your vehicle an external adapter may be required. Visit www.homelink.com for additional information. 44

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44
Troubleshooting
DIAGNOSTIC CODE
SYMPTOM
SOLUTION
Up Arrow Flash(es) Down Arrow Flash(es)
4
1-4
Door is moving stops or reverses.
Manually open and close the door. Check for binding or obstructions, such as a broken
spring or door lock, correct as needed. If the door is binding or sticking contact a trained
door systems technician. If door is not binding or sticking attempt to reprogram travel
(refer to page 30).
4
5
Opener runs approximately 6-8" (15-20 cm),
stops and reverses.
Communication error to travel module. Check travel module connections, replace travel
module if necessary.
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 LEDs are 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 will NOT enter Wi-Fi
®
LEARN mode:
l
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 LEARN mode 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 LEARN mode can be activated.
See page 36 to activate Wi-Fi LEARN mode.
Cannot connect garage door opener to home Wi-Fi network:
l
Ensure the myQ Serial number was entered correctly and try again. The myQ
characters are between A-F and 0-9 only.
l
Weak Wi-Fi signal in the garage. Ensure the Wi-Fi signal is reaching the garage,
see page 4 or visit WiFiHelp.LiftMaster.com for more information.
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.
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. This feature can be disabled using the
door control, see page 39.
My neighbor’s remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote control(s).
My vehicle's Homelink
®
is not programming to my garage door opener:
Depending on the make, model, and year of your vehicle an external adapter may be
required. Visit www.homelink.com for additional information.