600892
36
Zoom out
Zoom in
Previous page
1/41
Next page
36
DIAGNOSTICCODE SYMPTOM SOLUTION
Up Arrow
Flash(es)
Down Arrow
Flash(es)
4 1-4 Door is moving stopsand or reverses. Manuallyopen and close the door. Checkfor binding or obstructions,such as a broken spring or
door lock, correctas needed. Ifthe 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 23).
4 5 Opener runsapproximately 6-8", stopsand reverses. Communication error to travel module.Checktravel module connections, replace module if
necessary.
4 6 The garage door opener will not close and the light
bulbs flash.
Safety sensorsare misaligned or were momentarily obstructed. Realign both sensors to ensure both
LEDs are steady and notflickering.Make sure nothing is hanging or mounted on the door that would
interruptthe sensor's path while closing.
The garage dooropener can beep for several reasons:
l (Ifapplicable) Operating on battery power or the 12 Vdcbatteryneeds to be
replaced, see page 26.
l Garage door opener has been activated through a device or feature such as
Timer-to-Close, garage door monitor or MyQ
®
InternetGateway,see page 28.
My remote control willnot activate the garage door:
l Verify the lock feature is not activated on the door control.
l Reprogram the remote control.
l 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 willnot close andthe light bulbs blink onmy motorunit:
The safetyreversing sensor must be connected and aligned correctly before the garage
door opener will move in the down direction.
l Verify the safetysensors are properlyinstalled, aligned and free of any
obstructions.
My garage door opener light(s) will not turn off when the dooris open:
The garage door opener isequipped with a feature thatturns the light on when the safetyreversing sensors
have been obstructed or when the motion sensor on the door control detects movementin the garage.These
features can be disabled using the door control,see page 30.
My neighbors remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote control(s).
The LEDs onthe door controlblink:
If you have a SmartControl Panel installed and the TTC is setto a custom time, pressthe ONbutton on the
Premium Motion-Detecting Control Panel to set the time properly.
My vehicle's Homelink
®
is not programming tomy garage dooropener:
Depending on the make, model, and year ofyour vehicle an external adapter maybe required.Visit
www.homelink.com for additional information.
Troubleshooting
36


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Liftmaster 8550 Elite at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Liftmaster 8550 Elite in the language / languages: English as an attachment in your email.

The manual is 5,53 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info