LiftMaster 8550 Support Question
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!
Question posted by gshatch37 on October 24th, 2017
What Is Code 1-1 With One Sensor Yellow And The Other Green
My garage door stopped working and showed a message saying the sensors are not in alignment or wire frayed. Should the sensors be different colors.
Current Answers
Answer #1: Posted by Odin on October 24th, 2017 6:27 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,680
Member since:
April 10th, 2010 Points: 41,236,680
See https://www.manualslib.com/manual/442900/Chamberlain-8550.html?page=35, at the top. If the problem persists (or if you require further explanation), you'll have to obtain a walk-through from Liftmaster: use the contact information here--https://www.contacthelp.com/liftmaster/customer-service.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related LiftMaster 8550 Manual Pages
8550 Manual - Page 3
...174;2.0 ACCESSORIES
880LM Smart Control Panel®
895MAX Remote Control
829LM Garage Door Monitor
Hardware
Assembly H1 Hex Screw #8x3/8" (3) [packed with white and white/black wire attached: Sending Sensor (1) Receiving Sensor (1) and Safety Sensor Brackets (2)
O. Garage door opener
K
J. Safety reversing sensors
with the sprocket cover] Installation H2 Hex Bolt 5/16"-18 x 7/8" (4) H3...
8550 Manual - Page 15
... 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 end of the wire near the garage door opener.
7/16" (11 mm)
H15
GANG BOX
2.3 Connect the wire to
the garage door opener. Install the Door Control
k
1.5 Position the bottom hole of the...
8550 Manual - Page 17
... 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. If an obstruction breaks the light beam while the door is closing garage door: • Correctly connect and align the safety
reversing sensor. This required safety device MUST...
8550 Manual - Page 19
... the lens is not obstructed by the sensor bracket. H13
2 Wire the Safety Reversing
Sensors
OPTION A INSTALLATION WITHOUT PRE-WIRING
PRE-WIRED INSTALLATIONS: If your garage already has wires installed for the safety reversing sensors, refer to the instructions on
the garage door opener. To insert or remove the wires from the terminal, push in the sensor
bracket and attach with the staples...
8550 Manual - Page 20
... end of the safety
reversing sensor wire, making sure the colors correspond for each sensor.
Not Provided
White
Yellow (for example)
White/Black Safety reversing sensor wires
Purple (for example)
Pre-installed wires
2.4B At the garage door opener, strip 7/16 inch (11 mm) of the wires previously chosen for the
safety reversing sensors. Yellow
Yellow (for example)
Purple (for each...
8550 Manual - Page 21
... not come in the garage door opener into a grounded outlet. 1.2A DO NOT run garage door opener at this time. If the plug doesn't fit into a grounding type outlet. To make it fit outlet. Attach the ground wire to the green ground screw.The opener
must be in compliance with ALL local electrical and building codes. • NEVER use an...
8550 Manual - Page 22
... wired correctly a message will flash ten times. Make sure the sensors are glowing steadily. Make sure the sensor wire is not shorted/broken. When the light beam is obstructed or misaligned while the door is closing, the door will reverse and the garage door opener lights will display on the opposite side of the door.
(invisible light beam)
Green LED
SENDING SENSOR
RECEIVING SENSOR...
8550 Manual - Page 24
... begin to flash.
* If the garage door opener lights are flashing 5 times during the steps for Program the Travel, the safety reversing sensors are aligned and unobstructed, cycle the door through a complete up and down as needed.
1.5 Once the door is
used to flash. Door MUST reverse on contact with proper operation of garage door travel to page 18). When...
8550 Manual - Page 25
... adjustment. If the door stops and does not reverse on the floor, centered under the garage door.
2.2 Press the remote control push button to
close from a remote control if the LED in the path of the door. Repeat the test. If the garage door opener closes the door when the safety reversing sensor is obstructed (and the sensors are made, the...
8550 Manual - Page 26
... dispose of the garage door opener. Battery may run slower if the battery is charging.
26
ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment.
2 Test the battery
2.1 Unplug the garage door
opener. The battery will flash indicating low battery power. Verify
the battery status LED flashing green, indicating the...
8550 Manual - Page 27
... 12V battery will not turn on battery power.
• A flashing orange LED with the garage door opener light off. Once the battery voltage drops too low, the battery will recharge within 24 hours. Battery Status LED
GREEN LED: All systems are normal. • A solid green LED light indicates the
battery is fully charged. • A flashing...
8550 Manual - Page 29
...For added control over the light bulbs on the door control or keyless entry until activated. USING YOUR GARAGE DOOR OPENER
The garage door opener can close . When the door is closing , the door will blink 10 times. If the garage door opener senses an obstruction while closing , the door will stop . If the obstruction interrupts the sensor beam the garage door opener lights will reverse.
8550 Manual - Page 30
... activation from the fully open garage door and the safety reversing sensor infrared beam is empty (i.e. The garage door opener will beep and the lights will fl ash before closing the door. The lights will come on or off after a specified period of time (1, 5, 10 minute intervals or a custom setting up to 3 presses). A maintenance alert message will display on...
8550 Manual - Page 31
...garage door opener light to operate the garage door opener.
Turn the Motion sensor off/on, and turn the entry light feature off . PROGRAM: Add remote controls, MyQ™ devices, an extra remote button to control your garage door CONTRAST: Adjust the contrast of remote controls, MyQ™ devices, door...piece door. TEMPERATURE: Display the temperature in Fahrenheit or Celsius and show /...
8550 Manual - Page 32
...: Your garage
door opener may look different. press to continue.
PIN
PROGRAM A REMOTE CONTROL USING THE LEARN BUTTON
1 Locate the Learn button on the keyless entry keypad. Learn LED
Yellow
2 Locate the Program 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...
8550 Manual - Page 33
... the remote control button again. Reprogram any remote control button except the button that was just
programmed.
7 To test, press the programmed button on the
garage door opener. All codes are now erased. Remote Controls
3 Using a safety pin or paper clip, press the
program button until the light bulb blinks. Check to see if...
8550 Manual - Page 34
... from a falling garage door:
• If possible, use handle to the following tow conditions: (1) this receiver and/or transmitter are prohibited, except for changing the code setting or replacing the...the next UP or DOWN operation, either manually or by using the door control or remote control. The garage door opener does not require additional lubrication.
To reduce risk of persons and ...
8550 Manual - Page 35
...
CODE
ARROW
DOWN ARROW
SYMPTOM
CAUSE
RESOLUTION
1-1
1 FLASH 1 FLASH
The garage door opener will not close Misaligned or
Realign the receiving sensor (green LED) by ensuring the LED is faulty garage door opener, replace the door control.
Troubleshooting
Diagnostic Chart
Your garage door opener is lit, check the wire leading to the receiving sensor (green
LED). If sending
wires...
8550 Manual - Page 36
... The door stops while opening Obstruction, binding or Manually 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 not activated on the door control. • Reprogram the remote control. • If the remote control will not show up in the diagnostic codes:
My garage door opener beeps...
8550 Manual - Page 37
...
8
Receiving and sending
sensors with 3 feet (.9 m) 2-conductor wire
10 11
8 Straight Door Arm
178B34
9 White and Red/White Wire
41C5141-1
10 3V2016 Lithium Battery
10A19
11 Battery Backup
485LM
Contact Information
Address repair parts order to your garage door opener while calling. Country Club Rd. If you have the model number of the garage door opener. Tucson, AZ 85706...
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