CARMATOR 139.53859 (81LM)
CARMATOR Mini Garage Door Opener Remote Instruction Manual
Model: 139.53859 (81LM)
Introduction
This manual provides detailed instructions for the CARMATOR Mini Garage Door Opener Remote. This compact and lightweight remote is designed for convenient operation of compatible garage door openers. It is a 1-channel transmitter operating at a 390 MHz frequency.
Compatibility: This remote is compatible with Sears Craftsman, Chamberlain, LiftMaster, and Raynor garage door openers that feature a GREEN Smart Button and were manufactured between 1993-1997. It is also compatible with LiftMaster 81LM, 82LM, and 83LM remotes.

The CARMATOR Mini Garage Door Opener Remote, a compact and lightweight device.
Setup and Programming
The CARMATOR Mini Garage Door Opener Remote comes with a battery pre-installed, ready for programming. Programming is a quick and straightforward process.
Identifying Your Garage Door Opener's Learn Button
Ensure your garage door opener has a GREEN Learn Button. This remote is specifically designed for systems with this type of button.

Visual representation of the Green Learn Button and 390 MHz frequency compatibility.
Programming Steps
- Locate the Learn Button: On your garage door opener motor unit, locate the 'Learn' button. This button is typically green and is usually found on the back or side panel of the motor unit.
- Press the Learn Button: Press and immediately release the 'Learn' button on your garage door opener. The LED indicator on the opener will light up, signaling that it is in programming mode. You will have approximately 30 seconds to complete the next step.
- Activate the Remote: Within 30 seconds, press and hold the button on your new CARMATOR Mini Remote.
- Confirm Programming: The garage door opener's light will flash once (or twice, depending on the model) and/or you will hear a click, indicating that the remote has been successfully programmed. Release the button on the remote.
- Test the Remote: Press the button on your new remote to test its operation. The garage door should open or close.
If you are programming multiple remotes, repeat the process for each additional remote.
Operating the Remote
Once programmed, operating your CARMATOR Mini Remote is simple.
Basic Operation
- To open or close your garage door, simply press the single button on the remote.
- The remote is designed to be small and compact, making it easy to carry on a keychain or in a pocket.

The remote includes a keychain for convenient portability.
Operational Range
The effective operational range of the remote may vary depending on environmental factors and the specific garage door opener model. Typically, the remote functions optimally within 10-15 feet of the garage door opener.
Maintenance
Proper maintenance ensures the longevity and reliable performance of your remote.
Battery Replacement
The remote uses a standard coin cell battery (e.g., CR2032). When the remote's range decreases significantly or it stops responding, it is likely time to replace the battery.
- Carefully open the remote casing, typically by prying along the seam with a small flat-head screwdriver.
- Remove the old battery, noting its orientation (+/-).
- Insert the new battery with the correct orientation.
- Snap the remote casing back together securely.
Cleaning
Wipe the remote with a soft, dry cloth to remove dust or dirt. Avoid using harsh chemicals or abrasive cleaners, as these can damage the casing or internal components.
Troubleshooting
If you encounter issues with your CARMATOR Mini Remote, try the following troubleshooting steps:
- Remote Not Responding:
- Ensure the battery is correctly installed and has sufficient charge. Replace the battery if necessary.
- Re-attempt the programming steps outlined in the 'Setup and Programming' section. Ensure you are pressing and releasing the learn button correctly and within the specified timeframe.
- Verify that your garage door opener has a GREEN Learn Button and operates at 390 MHz. This remote is not compatible with other learn button colors or frequencies.
- Short Operating Range:
- Replace the battery in the remote. A weak battery can significantly reduce the operating range.
- Ensure there are no large metal objects or electronic devices near the garage door opener or remote that could be causing interference.
- Multiple Attempts to Program Fail:
- Confirm the garage door opener model and its compatibility with a 390 MHz green learn button remote.
- If your garage door opener has a 'Smart' button, ensure you are pressing it correctly as per your opener's manual.
- Consider resetting your garage door opener's memory (refer to your opener's manual for instructions) and then re-programming all remotes.
If problems persist after following these steps, contact the manufacturer or a qualified technician for further assistance.
Specifications
| Model Number | 139.53859 (81LM) |
| Frequency | 390 MHz |
| Number of Channels | 1 |
| Dimensions | 2.83 x 1.57 x 0.87 inches |
| Item Weight | 1.06 ounces |
| Color | Black, Silver |
| Compatible Devices | Garage Door Openers with Green Learn Button (1993-1997) |
Warranty and Support
For specific warranty information or technical support regarding your CARMATOR Mini Garage Door Opener Remote, please refer to the product packaging or contact the seller directly. Keep your purchase receipt for warranty claims.
For general inquiries or further assistance, you may visit the CARMATOR brand page on Amazon or contact Amazon customer service.