Product Overview
The Sears Craftsman 139.53403 Mini Key Chain Remote Control Transmitter is a compact and convenient device designed for operating compatible garage door openers. Its small size allows for easy attachment to a key chain, providing quick access to your garage door.
This image displays the compact design of the Sears Craftsman 139.53403 remote control. It features a durable blue casing, a prominent green activation button, and a small red LED indicator. A sturdy metal clip is attached, allowing for convenient key chain integration.
Setup
Battery Installation
The remote control comes with a pre-installed battery. If replacement is needed, follow these steps:
- Carefully open the remote control casing.
- Remove the old battery, noting its orientation.
- Insert a new CR2032 lithium coin cell battery with the positive (+) side facing up.
- Securely close the remote control casing.
Programming Instructions
This remote control utilizes dip switches for programming. Ensure your garage door opener is compatible with dip switch programming.
- Locate the dip switches inside your existing garage door opener remote or on the garage door opener motor unit itself.
- Open the casing of your new Sears Craftsman 139.53403 remote to expose its dip switches.
- Carefully match the position of the dip switches on your new remote to the exact pattern of your existing remote or garage door opener unit. Each switch can be in an 'ON', 'OFF', or 'MIDDLE' position.
- Once the dip switches are matched, close the casing of the new remote.
- Test the remote by pressing the activation button. The garage door should respond.
Operating Instructions
To operate your garage door, simply press and hold the green activation button on the remote control. The red LED indicator will illuminate while the button is pressed, signaling that a signal is being transmitted. Release the button once the garage door begins to move.
Maintenance
Battery Replacement
If the remote's range decreases significantly or the LED indicator does not light up, the battery may need replacement. Refer to the 'Battery Installation' section under 'Setup' for detailed instructions.
Cleaning
Clean the remote control with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as these can damage the casing or internal components.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote does not activate garage door. | Incorrect dip switch settings. | Verify that the dip switches on the remote match those on your garage door opener or existing remote. |
| Remote does not activate garage door. | Dead or low battery. | Replace the CR2032 battery. |
| Remote has limited range. | Low battery. | Replace the CR2032 battery. |
| Remote LED does not light up. | Dead battery. | Replace the CR2032 battery. |
| Remote casing is difficult to open. | Securely latched design. | Use a small, flat-head screwdriver or similar tool to gently pry open the casing at the designated notch. |
Specifications
- Model: 139.53403
- Brand: Transmitter Solutions (compatible with Sears Craftsman systems)
- Power Source: 1 x CR2032 Lithium Coin Cell Battery
- Item Weight: Approximately 0.01 ounces (0.28 grams)
- ASIN: B008VVFEOW
- Manufacturer: DailyJessie
Warranty and Support
For specific warranty information regarding your Sears Craftsman 139.53403 remote control, please refer to the documentation provided at the time of purchase or contact the retailer. General product support may be available through the manufacturer, Transmitter Solutions, or the original point of sale.
Always ensure you are using the correct model remote for your garage door opener system. If you encounter persistent issues not covered in this manual, professional assistance from a qualified technician may be required.
