HAVING A PROBLEM?

1.My door will not close and the light bulbs blink on my motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction.

Verify the safety sensors are properly installed, aligned and free of any obstructions. Refer to Installation Step 10: Install The Protector Syster_.

Check diagnostic LED for flashes on the motor unit then refer to the Diagnostic Chart on the following page.

2.My remotes will not activate the door:

Verify your Motion Detecting Control Console is not blinking. If it is blinking, deactivate the Lock Mode following the instructions for Using the Motion Detecting Control Console.

Reprogram remotes following the programming instructions. Refer to Programming.

If remote will still not activate your door, check diagnostic LED for flashes on motor unit then refer to Diagnostic Chart on the following page.

3.My door reverses for no apparent reason: Repeat safety reverse test after adjustments to force or travel limits. The need for occasional adjustment for the force and limit settings is normal. Weather conditions in particular can affect door travel.

Manually check door for balance or any binding problems.

Refer to Adjustment Step 2, Adjust the Force.

4.My door reverses for no apparent reason after fully closing and touching the floor: Repeat safety reverse test after adjustments to force or travel limits. The need for occasional adjustment for the force and limit settings is normal. Weather conditions in particular can affect door travel.

Refer to Adjustment Step 1, Adjust the UP and DOWN Travel Limits. Decrease down travel by turning down limit adjustment screw clockwise.

5.My lights will not turn off when door is open:

The garage door opener is equipped with a security light feature. This feature activates the light on when the safety sensor beam has been obstructed. Refer to Operation section; Using the Wall Mounted Door

Bell Wire

Safety Reversing

Sensor

 

 

Sending

Eye Safety Reversing

Receiving Eye

Safety Reversing

Sensor

(Amber

indicator Light)

Sensor (Green

Indicator Light)

 

 

 

/

 

6.My motor unit hums briefly:

First verify that the trolley is against the stop bolt.

Release the door from the opener by pulling the Emergency Release Rope.

Manually bring the door to a closed position.

Loosen the belt by adjusting the outer nut 4 to 5 turns. This relieves the tension.

Run the motor unit from the remote control or door control. The trolley should travel towards the door and stop. If the trolley re-engages with the door, pull the Emergency Release Rope to disengage.

Decrease the UP travel by turning the UP Travel adjustment screw 2 full turns away from the arrow.

(3.18 cm)

Re-Tighten the outer nut until the trolley spring is approximately 1-1/4" (3.18 cm) in length.

If the trolley does not move away from the bolt, repeat the steps above.

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Sears 139.53915D owner manual Having a PROBLEM?, Refer to Adjustment , Adjust the Force

139.53915D specifications

The Sears 139.53915D is a significant addition to the lineup of garage door openers, blending both functionality and modern technology to enhance user convenience. This model is designed to accommodate residential garage doors, forming a reliable solution for homeowners who prioritize safety, security, and ease of use.

One of the standout features of the 139.53915D is its powerful motor, capable of handling heavy garage doors with ease. With its 1/2 horsepower motor, it ensures a smooth and swift opening and closing mechanism, allowing for quick access while still maintaining durability. This strength is particularly beneficial for larger or heavier doors that require more power for reliable operation.

The opener utilizes a chain drive system, renowned for its durability and strength. Chain drive systems are highly effective in providing reliable performance, making them a popular choice for various households. Despite this robust mechanism, the opener remains relatively quiet during operation, minimizing disruptions in the home environment.

A key characteristic of the Sears 139.53915D is its security features. It is equipped with rolling code technology, which generates a new code every time the remote control is used. This significantly enhances security by preventing unauthorized access and ensuring that only designated users can operate the garage door.

Additionally, the model features a safety reverse system, which automatically reverses the door's direction if it encounters an obstruction while closing. This not only protects vehicles and other possessions but also safeguards pets and children—an essential component for family households.

Installation of the Sears 139.53915D is designed to be straightforward, with comprehensive instructions that facilitate an efficient setup process. For those who prefer a seamless experience, the opener is compatible with several accessories, including smart home technologies. This compatibility allows users to integrate their garage door opener into a broader home automation system, providing added convenience and control through smartphone apps or smart devices.

In summary, the Sears 139.53915D garage door opener is a robust, reliable choice for homeowners seeking an efficient and secure opening mechanism. Its combination of a powerful motor, durable chain drive system, advanced security features, and ease of installation make it a formidable option in the market for garage door solutions.