Home » LiftMaster » Garage Door Openers » LiftMaster 8550

LiftMaster 8550 Support Question

Find answers below for this question about LiftMaster 8550.
Need a LiftMaster 8550 manual? We have 1 online manual for this item!

LiftMaster Overview Questions Manuals Reviews Videos Research

Question posted by bvhoang70 on September 1st, 2017

Error Code 15 & 45 On Liftmaster 8557. How Do I Fix It ?

I replaced the logic board but still have the error code 15 & 45 on my Liftmaster 8557. What are they and how to fix them. Please help.

I Know the Answer!

I have the same question
Request More Information

Current Answers

Answer #1: Posted by waelsaidani1 on September 1st, 2017 10:18 PM

This answer was accepted by the poster of the original question.

waelsaidani1

Member since:
May 12th, 2013

Points: 19,501,797

1,090
points

Error code 14 can occur if the door safety reversing sensor beam is obstructed, or if the wiring is damaged

Answer #2: Posted by rjet63 on June 11th, 2018 9:33 AM

rjet63

Member since:
June 11th, 2018

Points: 0

100
points

You could also reprogram the adjustments. Page 19 in the manual.

Related LiftMaster 8550 Manual Pages

8550 Manual - Page 1

Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Contents BELT DRIVE GARAGE DOOR OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE DOOR CONTROL.....14-16 INSTALL THE PROTECTOR SYSTEM 17-20 POWER ...

8550 Manual - Page 6

Install garage door opener only on wall next to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 An improperly balanced door may not reverse when required and could be caught in SEVERE INJURY or DEATH. 3. DO NOT enable the Timer-to garage door control 11. Disable ALL locks and remove ALL ropes...

8550 Manual - Page 7

... door, visit www.liftmaster.com for the top edge of the door. NOTE: If you are under EXTREME tension. • ALWAYS call a trained door systems technician if garage door ...garage door opener on a one -piece or swinging garage doors. Draw an intersecting horizontal line on wall or ceiling), use lag screws (not provided) to securely fasten the 2x4 to structural supports. 1.3 Open your garage...

8550 Manual - Page 13

...garage door opener until the far apart as possible) and attach using the clevis pin (H7). The (H2), nuts (H8) and lock washers (H9). H8 H9 H2 If the straight door arm is hanging down too far, you may cut 6 inches (15 cm) from the curved door... lock washers (H9). trolley will re-engage automatically when the garage door opener is horizontal. Select two aligned holes (as far apart as ...

8550 Manual - Page 14

... the existing holes in the gang box. 1.1 Strip 7/16 inch (11 mm) of insulation from 1.2 Connect one wire to door travel. NOTE: Older LiftMaster accessories and third party products are not compatible.Your garage door opener is compatible with up to 2 Smart Control Panels or 4 of any two wires to connect, note which wires H16...

8550 Manual - Page 15

...-wired installations). Install the Door Control k 1.5 Position the bottom hole of the door control over the screw and slide down into place. DRYWALL H16 H14 2 Wire the door control to the garage door opener HARDWARE H17 (10) Insulated Staple 2.1 Run the white and red/white wire from the door control to the door control. 15 Attach the top screw.

8550 Manual - Page 17

... Invisible Light Beam Protection Area 17 Safety Reversing Sensor 6" (15 cm) max. The garage door opener will light. To prevent SERIOUS INJURY or DEATH from closing , the door will stop and reverse to the full open position, and the garage door opener lights will move in the down until the garage door opener has completed 5 cycles upon power up. When installing the...

8550 Manual - Page 21

... make a permanent connection through the 7/8" hole in the top of the motor unit (according to local code): 1.1B Be sure power is NOT connected to the opener, and disconnect power to circuit. 1.2B Remove the garage door opener cover and set aside. 1.3B Remove the attached green ground terminal. 1.4B Cut black and white wires...

8550 Manual - Page 25

... travel need to be adjusted (refer to test the adjustment. When the door reverses upon contact with the 1-1/2 inch board, remove the board and open , place a 1-1/2 inch (3.8 cm) board (or a 2x4 laid flat) on the floor. 2.1 With the door fully open /close the door. Place the garage door opener carton in either safety reversing sensor is off (alerting you to the...

8550 Manual - Page 26

... or will take 24 hours to fully charge. NOTE: The garage door opener may explode. Battery Backup To reduce the risk of FIRE or INJURY to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part # 485LM for replacement battery. • Do NOT dispose of the...

8550 Manual - Page 28

... electric power to -Close functionality if operating either one-piece or swinging garage doors. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 15. DO NOT enable the Timer-to garage door opener BEFORE making ANY repairs or removing covers. 14. NEVER permit children to door travel. 4. NEVER use handle to cables, spring assemblies and other hardware...

8550 Manual - Page 29

... be adjusted using the door control. The garage door opener will be connected and aligned correctly before the garage door opener will flash 10 times. power is restored after interruption, or when the garage door opener is compatible with up to 2 Smart Control Panels or 4 of the infrared beam. For added control over 100 billion new codes. The safety reversing sensor...

8550 Manual - Page 30

... light timing can display the status of maintenance. MAINTENANCE ALERT (MAS) This feature assists the homeowner in ensuring the garage door opener system stays in need of the TTC. The garage door opener will beep and the lights will display the Diagnostic Code. If there is sensed. This feature is set period of installation. Press the HOLD...

8550 Manual - Page 31

..., MyQ™ devices, an extra remote button to operate the garage door opener. DISPLAY ERROR: Displays any errors that have occurred. TTC SETTINGS (for garage door opener light to -Close feature off /on and set the time interval before door closes. NOTE: DO NOT enable TTC if operating a one-piece door. TRANSMITTERS: Displays the number of remote controls, MyQ™...

8550 Manual - Page 32

... NOTE: Your garage door opener may look different. press to operate with the additional remote controls or visit www.liftmaster.com. Then press...garage door. OR 1 2 3 ABC DEF 4GHI 5 6 JKL MNO 7 8 9 PRS TUV WXY * * 0 QZ # 0 QZ # ENTER ENTER ?? ?? press to program from the program menu. The garage door opener lights will flash (or two clicks will be heard) when the code...

8550 Manual - Page 33

... until the LEDs on the front of the remote control turn on. 4 Press and release the Learn button on garage door opener until the learn LED goes out (approximately 6 seconds). The garage door opener will light. All codes are now erased. The Learn LED will activate. Reprogram any remote control button except the button that was just...

8550 Manual - Page 34

... Open the Door Manually To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use emergency release handle to Adjustment section). The trolley will operate during an electrical power outage. Reapply a small layer of white lithium grease to the top and underside of the holder for changing the code setting or replacing...

8550 Manual - Page 35

... the travel module. Make sure nothing is faulty garage door opener, replace the door control. The garage door opener clicks but no Bad logic board movement Replace the logic board. 1-5 1 FLASH 5 FLASHES The opener runs approximately 6-8" Communication error to and from that sensor. The garage door opener will not close Safety sensor wire Inspect sensor wire for incorrect...

8550 Manual - Page 36

... is working properly. Refer to ensure the garage door opener is binding or sticking, contact a trained door systems technician. Ensure the wires for travel module are approximately travel , refer to the Door Control section. My remote control wil not activate the garage door: • Verify the lock feature is constantly flashing green Battery LED flashing Replace the logic board.

8550 Manual - Page 37

... Backup 485LM Contact Information Address repair parts order to your garage door opener while calling. If you have the model number of the garage door opener. for 8 foot door Belt - Tucson, AZ 85706 For installation and service information call: 1-800-528-9131 Or visit us online at: www.liftmaster.com Before calling, please have access to : The Chamberlain...