Linear Products Knowledge Base

Category » Linear LDO/LSO/LCO

There were 20 articles found in this category:

1. How do I change the keypad code for my Linear garage door operator?
   The Linear series of garage door operators uses the model MDTK keypad, part number DNT00058. This keypad has no memory, and acts only as a transmitter. If you would like to see a diagram with step-by-step instructions and pictures detailing the location of the buttons, please feel free to review ...
2. How do I adjust the force setting on my Linear garage door operator?
   In the upper right hand corner of the left hand side of the operator, you will see a rectangular cutout. In this area you will find two small adjustment screws labeled "OPEN FORCE" and "CLOSE FORCE". Moving the appropriate adjusting screw clockwise will increase the force setting of the operator ...
3. How do I find the serial number of my LDO/LSO/LCO operator?
   The serial number on the LDO/LSO/LCO will be on the front panel (towards the door) of the operator, above the light bulb. The serial number will start with 20……
4. How do I change the keypad code on my LDCO800?
   If you know the current keypad code, simply press and release the "LEARN" button located in the center of the back of the motor unit in your garage. The red LED above the "LEARN" button will come on bright for 15 seconds. While the LED is on, enter your code and press "Start/Stop." The red LED ...
5. How do I program my MegaCode series keypad into my LDCO800 garage door operator?
   The Linear LDCO800 series garage door operators use the MegaCode series keypad, model MDTK, part number DNT00058. To program a MegaCode series keypad to the LDCO operator, simply press and release the "LEARN" button located in the center of the back of the motor unit in your garage. The red LE ...
6. How do I set the travel limits on my LDCO800?
   Adjusting the Open Limit Use the wall station or a remote control to move the door to the open limit position. On the back of the opener, press both the "UP" and "LEARN" buttons at the same time for three seconds. The green indicator and opener's light will flash twice then stay on. Use the "U ...
7. The remotes will not open my garage door operator from inside or outside the garage, but the remotes will close it. The wall button works correctly.
   Press the button on the transmitter from inside the garage and observe the courtesy light on the front of the operator. If the light blinks 5 times, you probably have the "Vacation Mode" switch on the upper right hand corner of the wall station in the locked (down) position. Simply slide the s ...
8. How do I learn a transmitter into my LDCO800?
   The Linear LDCO800 series garage door operators use the MegaCode series remotes. These are available in many sizes and styles, and can be viewed on our web site. To program a MegaCode series transmitter to the LDCO operator, simply press and release the "LEARN" button located in the center of ...
9. How do I increase the force setting on my LDCO800 operator?
   The LDCO800 computes the force required to open and close the door every cycle, and automatically adjusts the forces as necessary over the life of the operator, to compensate for changing door conditions. Setting a different force factor may be required in doors with unusually rapid changes in t ...
10. How do I change the keypad code on my LDO/LSO/LCO operator with serial number after 20100915XXXXX?
    If you know the current keypad code, simply press and release the "LEARN" button located in the upper right hand corner of the left hand side of the LDO/LSO/LCO in your garage. The red LED above the "LEARN" button will come on bright for 15 seconds. While the LED is on, enter your code and pres ...
11. The chain is vibrating on my Linear garage door operator when the door is opening or closing.
    This is typically caused by the chain being too tight. Simply loosen the chain adjusting turnbuckle, located on the right hand side of the rail near the operator head when the door is closed. Loosen the turnbuckle approximately ½ turn at a time until the vibration stops. Ensure the locki ...
12. Can I add a second wall button to my LDO/LSO/LCO series operator?
    Yes, provided the wall button is a standard unlighted door bell type wall button. Adding a lighted wall button or a second deluxe wall station will confuse the control board, and it will think that the unit is in vacation mode, which will prevent you from opening the door with a remote.
13. How do I program my MegaCode series keypad into my Linear garage door operator?
    The Linear LDO/LSO/LCO series garage door operators use the MegaCode series keypad, model MDTK, part number DNT00058. To program a MegaCode series keypad to the Linear operator, simply press and release the "LEARN" button located in the upper right hand corner of the left hand side of the motor ...
14. Why will the remote open my Linear garage door operator, but not close it?
    If you get 3 flashes of the courtesy light and you have to hold down on the wall push button to close your door, you are definitely having a problem with your safety beam circuitry. Check the beams for lights (green on the sender, red and green on the receiver). All lights should be on bright, ...
15. How do I program my car's Homelink system to operate my Linear garage door operator?
    The HomeLink system copies a transmitter that has already been learned into your Linear garage door operator's memory. To learn the transmitter into Homelink, take the transmitter into your car. Press and hold the Homelink button in the car. Press and hold the button on the transmitter that is ...
16. How do I program my car's Lear system to operate my Linear garage door operator?
    In 2007, General Motors went to a system manufactured by the Lear Corporation for their "universal" on-board remote. Ford has gone to this system starting with the 2010 model year. Unfortunately, this "universal" system is apparently not compatible with the 318 MHz frequency transmitters such a ...
17. How do I program my transmitter to my Linear garage door operator?
    The Linear LDO/LSO/LCO series garage door operators use the MegaCode series remotes. These are available in many sizes and styles, and can be viewed on our web site. To program a MegaCode series transmitter to the linear operator, simply press and release the "LEARN" button located in the upper ...
18. What safety beams (photo eyes) can I use with my Linear garage door operator?
    The Linear series operators, including the LDO33, LDO50, LSO50 and the LCO75 use the Linear safety beams, part number HAE00002.
19. How do I set the travel limits on my Linear garage door operator?
    Travel limits are set on the LDO/LSO/LCO series operators by adjusting the limit adjusting screws accessed through the holes on the left hand side of the operator. These are marked "CLOSE LIMIT" and "OPEN LIMIT." Turning the appropriate adjustment screw clockwise will cause the door to stop at a ...
20. What transmitter (hand held remote) and keypad will work with my Linear garage door operator?
    The Linear line of operators uses the MegaCode series transmitters and keypads. These are available in many styles, from visor clip to keychain, and can be viewed on our web site in the Entry Systems area under Radio Controls.