LiftMaster Technical Support Questions

LiftMaster - How Do You Remove A Pin Code From Box

(Posted by dnstruckrepair 2 years ago)

LiftMaster KPR2000

LiftMaster - Replacing Torsion Spring

(Posted by kjacobs48465 2 years ago)

LiftMaster 3245

LiftMaster - 24 Hours Continual Operation.
can the LiftMaster sl3000ul be on an automatic 24-hour continuous operation

(Posted by PSBLOOM 2 years ago)

LiftMaster - Error 42 Code
I do i get rid of the Error 42 code on my Liftmaster Garage Door

(Posted by nat6579 2 years ago)

LiftMaster 8550

LiftMaster - No Timer Adjustment?
our strata has been informed there is no timer adjustment on our model HCT501130 in our underground....

(Posted by jandgpotts 2 years ago)

LiftMaster HCT

LiftMaster - Error Code On My Lift Master 8500w
How do I correct "error code 4-3?

(Posted by djcee9 2 years ago)

LiftMaster 8500W

LiftMaster - I Replaced The Motor And The Set Open And Close Keeps Flashing. I Can't Set Limi

(Posted by johnpatch859 2 years ago)

LiftMaster RSL12UL

LiftMaster - Installing Photo Sensor To A Liftmaster Sl3000ul3
I want to know what model sensor I need to purchase to have my liftmaster stop its initial close fun...

(Posted by edwinyagin1 2 years ago)

LiftMaster - Anybody Knows How To Replace Release Lever .
Lock on the Release Lever is broken ... How to replace it ?Thanks for a help

(Posted by Maciektx 2 years ago)

LiftMaster LA412DC

LiftMaster - Reset Switch
I ordered a reset switch for our SL585101U gate, part # K23-34815-1. It does not work. On the board ...

(Posted by lschlechter 2 years ago)

LiftMaster SL585101U

LiftMaster - How Do I Change The Batteries On A La500 Swing Gate Operator?

(Posted by Cksteele 2 years ago)

LiftMaster LA500

LiftMaster - Csl24ul Lift Master Slide Gate Operator Reset Question
I have a 2 year old CSL24UL Lift Master slide gate operator. A neighbor across the alley just instal...

(Posted by dowdarthur 2 years ago)

LiftMaster RSL12UL

LiftMaster - Model Of Stay Open Sensor
I have a Chamberlain Elite SL3000UL3, What model sensor should I install to have the gate stay open ...

(Posted by edwinyagin1 2 years ago)

LiftMaster - Power Outage
What happens when there is a power outage? Does the gate open and remain open, or does it remain shu...

(Posted by krossfreckles 2 years ago)

LiftMaster - 3850p Belt
I can't find belt number 41A5685 for my liftmaster garage door. Model is 3850P..serial number 431711...

(Posted by Lcbarham75 2 years ago)

LiftMaster 3850

LiftMaster - Model Star 1000. Have No Sound Or Screen. Do
have no sound or display on screen but I do have power as screen lights up but no display or beeps

(Posted by miller57sm 2 years ago)

LiftMaster STAR1000

LiftMaster - How Do I Hook The Kpr2000 Up To A Chamberlain?
how do I hook up a kpr2000 to a chamberlain Liftmaster professional lgo

(Posted by 1gonejosh 2 years ago)

LiftMaster KPR2000

LiftMaster - What Does The Code Rpm Reversal Mean For A La400 Liftmaster Gate Operator
the diagnostic light blinks five times , the gate does not respond in any wa

(Posted by tcallenconstruction 2 years ago)

LiftMaster - Alarm Going Off Almost Non-stop. Help!
Hello. I have an RSL12V unit for residential use. I went to open it the other day and the alarm trig...

(Posted by amcollectibles4 2 years ago)

LiftMaster RSL12V

LiftMaster - Emergency Opener
I have my door installed 2 years agoEmergency pool doesn't go backWhat can be doneCan I get replacem...

(Posted by grygoruk 2 years ago)

LiftMaster 8500

LiftMaster - I Cant Find The Learn Button - Can Someone Show Me Where It Is?

(Posted by bobbys64009 2 years ago)

LiftMaster - Limit Switch Issue
hi all. I have a Elite SL3000 gate and myLimit switch isn't stopping the gate. I replaced the limit ...

(Posted by skiman2120 2 years ago)

LiftMaster - Motor Capacitor Issues.
I know there is nothing wrong with the motor or the capacitor. Which of the relays send power to the...

(Posted by Brisbinian 2 years ago)

LiftMaster H

LiftMaster - Reset Button
where does reset bottom connect

(Posted by Anonymous-168673 2 years ago)

LiftMaster - Adding A Optical Sensor
I have an SL3000UL3 Liftmaster. What model optical sensor should I use and Give wiriing diagram for ...

(Posted by edwinyagin1 2 years ago)

LiftMaster - About The Number 2 Swing Gate Don't Work
yes i trade to connect a liftsmaster La400pkgul and motor number 1 working fine but motor number 2 d...

(Posted by pedro3827 2 years ago)

LiftMaster LA400PKGU

LiftMaster - Chamberlain 3280 Lift Master Professional Formula 1
Frequency for outside door opener?

(Posted by saintgeodragon 2 years ago)

LiftMaster 3280

LiftMaster - Problem With La3000ul
The gate opener does not operate. Myq Reported too many errors and shows the device currently offlin...

(Posted by ppetersen 2 years ago)

LiftMaster - The La3000ul Reported Too Many Error Please Operate Manually.
The error code currently reads 'LA' and I am unable to operate the gate manually. The test buttons t...

(Posted by petepetersen423 2 years ago)

LiftMaster - How Much Amperage Does The H Hoist 5.0 Use

(Posted by Digavijie 3 years ago)

LiftMaster - My 8500w Is Giving An Excessive Force Error Code 4-3. How Do I Correct/clear It?

(Posted by sawzitall 3 years ago)

LiftMaster 8500W

LiftMaster - My Emergency Cord Was Pulledon My Lift Master 8500c And Now Will Not Open. It I
Door is in the closed position and when pressing remote, motor will hum for a second and turn off.

(Posted by Marcello67041 3 years ago)

LiftMaster 8500

LiftMaster - Batt Low

(Posted by Mireles117 3 years ago)

LiftMaster - Want To Add A Transmitter And Receiver To A Lift Master Mj5011
what transmitter and receiver will work on a lift-master MJ501

(Posted by davidmarek84 3 years ago)

LiftMaster MGJ

LiftMaster - What Is An External Interlock And What Does It Do?

(Posted by Jkegg1asc 3 years ago)

LiftMaster MH

LiftMaster - My Door In Close Position Start To Close Intead Of Openning De Door. It Change T
The direction of the belt changed by itself. The unit was operating pertfectly. Liftmaster 3850PI tu...

(Posted by wlopez100 3 years ago)

LiftMaster 3850

LiftMaster - 3 Beeps From Control Unit
when I push the open button on my opener, the controller beeps three time

(Posted by Tmoore7008 3 years ago)

LiftMaster - Oil.
what type and weight oil do I put in the gearbox for an MAT-DC-BB3

(Posted by Nickc383 3 years ago)

LiftMaster MATDCBB3

LiftMaster - Removing Black Plastic Cover
Can see and remove one screw at bottom of black plastic cover, but still cannot get cover off. how d...

(Posted by nevlaing 3 years ago)

LiftMaster 3800

LiftMaster - Garage Door Opener Model
How do I know if I have a 3255 or 3255-2M garage door opener?

(Posted by ericoster1 3 years ago)

LiftMaster 3255

LiftMaster - On The Sensors It Showing Two Wires Going Into The Quick Connect I Have Four Wir
how do I put the wires in for the sensor two sensors for wires

(Posted by ruckustak 3 years ago)

LiftMaster 3800

LiftMaster - Liftmaster Professional Garage Door Opener
I cannot program a remote opener to my MJ5011 Ser. 0807N1323. What would be missing from this unit t...

(Posted by freddupert 3 years ago)

LiftMaster MJ

LiftMaster - Can't Find A Learn Button On My Lift Master Hct 50110 Device
I read all the manuals and watched videos but only on my device there is not a learn button on recei...

(Posted by shakirov04 3 years ago)

LiftMaster HCT

LiftMaster - Liftmaster 3900pld Has Really Short
I have really short range with any remote that I have ,I have two of these units and have the same i...

(Posted by dwthorn34 3 years ago)

LiftMaster 3900

LiftMaster - 3280m Model Door Opener - Battery Backup Available?
Is there a battery backup that can be installed on a 3280M or 3280M-267 Liftmaster garage door opene...

(Posted by chrisragner 3 years ago)

LiftMaster - Mj1211 Smart Button
Can you tell me where the smart button on the MJ1211 series 1000 is? I have the antenna box on it al...

(Posted by terrystutts 4 years ago)

LiftMaster MJ

LiftMaster - Lift Master Kpw 250
i have a lift master KPW 250 keypad. Where do i find the dip switch sequence?

(Posted by Anonymous-166132 4 years ago)

LiftMaster KPW5

LiftMaster - Changing The Pin
How do you change the PIN on the CSW200UL3

(Posted by Gkammer 4 years ago)

LiftMaster CSW200UL

LiftMaster - I Backed Into My Door And Now It Is Stuck Closed
i accidently backed into my roll up door and now i can not get it to open. i did not hit it hard and...

(Posted by nicholassboatman 4 years ago)

LiftMaster HJ