LiftMaster 8550 Support Question
LiftMaster 8550 Support Question
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Question posted by chrloki33 on August 6th, 2014
What Does Error Code 12 On Liftmaster Opener 8550 Mean
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Related LiftMaster 8550 Manual Pages
8550 Manual - Page 1
... TROUBLESHOOTING 35-36 REPAIR PARTS 37-38 ACCESSORIES 39 WARRANTY 40 Belt Drive Garage Door Opener Model 8550
FOR RESIDENTIAL USE ONLY
Write down the following information for installation instructions.
. NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference: Serial Number:
Date of Purchase:
■ Please read this...
8550 Manual - Page 2
... EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installation and operating garage door opener to avoid entanglement.
5/32 3/16
5/16
12
To prevent damage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating the opener.
• ONLY operate garage door opener at 120 V, 60 Hz to the left or right of the...
8550 Manual - Page 6
... or DEATH:
1. To be caught in plain view on the floor. 13. NEVER connect garage door opener to power source until instructed to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 Install wall-mounted garage door control:
• within reach, but at least 6 feet (1.83 m) above floor. 6. DO NOT enable...
8550 Manual - Page 7
... masonry.
• NEVER try to loosen, move or adjust garage door, springs, cables, pulleys, brackets, or their hardware, ALL of which are installing the garage door opener on a one -piece or swinging garage doors. NOTE: If you are under EXTREME tension.
• ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance. NOTE: If...
8550 Manual - Page 12
... below
any structural support across the top of angle iron are not intended for an opener installation door reinforcement kit. Contact your door manufacturer for lightweight garage doors (fiberglass, aluminum, steel, doors with your door's construction:
Metal or light weight doors using the two self threading screws (H10).
(Figure 2)
• Alternately, use on the previously marked...
8550 Manual - Page 14
... two wires to drill holes or install the drywall anchors. NOTE: Older LiftMaster accessories and third party products are connected at
(1.5 m), and away from a closing garage door.
Install the Door Control
1 Install the door control
INTRODUCTION
Compatible with up to cross path of
closing garage door:
accessories. To prevent possible SERIOUS INJURY or DEATH from ALL moving...
8550 Manual - Page 21
... TWO OPTIONS FOR CONNECTION POWER:
OPTION A TYPICAL WIRING
1.1A Plug in the garage door opener into your local code, refer to the following procedure.
If the plug doesn't fit into a grounded outlet. 1.2A DO NOT run garage door opener at this time. DO NOT run garage door opener at this time. OPTION B PERMANENT WIRING
If permanent wiring is required by...
8550 Manual - Page 26
...Use ONLY LiftMaster part # 485LM for replacement battery. • Do NOT dispose of the garage door opener. The battery...garage door
opener. The battery will take 24 hours to remove the battery cover on the garage door opener.
1.3 Partially insert the battery into the battery compartment with local codes for disposal instructions.
1 Install the battery
1.1 Unplug the garage door opener. 1.2 Open...
8550 Manual - Page 28
... in SEVERE INJURY or DEATH.
12. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPENED DOOR.
6. This operator system is properly adjusted, and there are under EXTREME tension, MUST be made , the safety reversal system MUST be tested.
10. The door could result in sight until completely closed . ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 2). READ...
8550 Manual - Page 29
... with your remote control, which changes with the garage door opener light bulb; The safety reversing sensors do no effect the opening cycle. For added control over 100 billion new codes. If the door senses an obstruction or is interrupted while opening the door will turn on your garage door operation. Your garage door opener is initially plugged in; The lights will stop...
8550 Manual - Page 30
... of the light timing can be used ONLY with the garage door opener the screen will display the Diagnostic Code. Press the HOLD OPEN button again to prevent activation of the TTC.
NOTE: Before enabling the TTC for the set to automatically close your garage door from the door control and keyless entry. MAINTENANCE ALERT (MAS)
This feature...
8550 Manual - Page 31
.... LIGHT SETTINGS: Set duration for sectional doors ONLY): Set the Timer-to view the Features menu.
DISPLAY ERROR: Displays any errors that have occurred. Refer to 4-1/2 minutes...12 or 24 hour clock and show /hide the temperature.
Turn the Motion sensor off/on, and turn the entry light feature off . SETTINGS
Press the navigation button below . TTC SETTINGS (for garage door opener...
8550 Manual - Page 32
... operate your garage door. Program Button
32 Remote Controls
Your garage door opener has been programmed at the factory to operate with the additional remote controls or visit www.liftmaster.com.
press... Button on the side of your remote control. The garage door opener lights will flash (or two clicks will be heard) when the code has been programmed.
Repeat the steps above for programming...
8550 Manual - Page 33
... the learn LED goes out
(approximately 6 seconds). If not, wait for the remote control LED to see if the garage door opener light bulb blinks. All remote control and keyless entry codes are
now erased. All codes are now erased. Within 30 seconds...
5 Press and release the remote control button you want to use ... Repeat...
8550 Manual - Page 34
... transmitter are prohibited, except for changing the code setting or replacing the batteryTHEREARENO OTHER USER SERVICEABLEPARTS. DISCONNECT THE TROLLEY
1 The door should be sure door opens and closes fully.
Batteries
Screws (2)
34 If it is subject to wipe away the existing grease from the garage door opener rail. The garage door opener does not require additional lubrication. Operation...
8550 Manual - Page 35
... 18 for installation.
After installing new door control wires, if door control still does not operate
the door control 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 the receiving sensor (green
LED). Ensure...
8550 Manual - Page 36
... 1-4 correct as a rope attached to set the time properly.
36 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 will still not activate the door check the diagnostic codes to ensure
the garage door opener is set to a custom time, press the ON button on the Premium Motion -Detecting...
8550 Manual - Page 37
... name, and model number.
37 If you have the model number of the garage door opener. for 7 foot door
Belt - Country Club Rd. 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 Group, Inc. 6050 S. for...
8550 Manual - Page 38
Repair Parts
Garage Door Opener Parts
11
9
4 3
1
12
5
2 10
4
3
7 8
6
38
DESCRIPTION 1 Sprocket and Sprocket Cover
with Screws 2 End Panel with labels, battery
cover and light socket 3 Light Lens 4 Light Socket 5 Transformer 6 Cover 7 Motor and Travel Module 8 Travel Module 9 End Panel with all labels and
light socket 10 Receiver Logic Board 11 Line Cord 12 Filter Board...
8550 Manual - Page 39
... control
or a MyQ™ Internet Gateway. Garage Door Monitor:
895MAX
Monitor open and close them from
anywhere in the home. System Surge Protector:
The Garage Door Opener Surge Protector is designed to
4 MyQ™ compatible garage door
openers and close the door and a lock feature for up to protect LiftMaster® garage door openers against damage from 1999present. MyQ™...
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