OPERATION

IMPORTANT SAFETY INSTRUCTIONS

To reduce the risk of SEVERE INJURY or DEATH:

1.READAND FOLLOWALL WARNINGSAND INSTRUCTIONS.

2.ALWAYSkeep remote controls out of reach of children. NEVERpermit children to operate or play with garage door control push buttons or remote controls.

3.ONLYactivategarage door when it can be seen clearly, it is properly adjusted andthere are no obstructions to door travel.

4.ALWAYSkeep garage door in sight until completely closed.

NOONESHOULDCROSSTHE PATHOFTHE MOVING DOOR.

5.NOONESHOULDGOUNDERA STOPPED,PARTIALLY OPENEDDOOR.

6.If possible, use emergency releasehandleto disengage trolley ONLYwhen garagedoor is CLOSED.Weak or broken springs or unbalanceddoor could result in an open door failing rapidly and/or unexpectedly.

7.NEVERuse emergency releasehandle unless garage doorway is clear of persons and obstructions.

8.NEVERuse handle to pull garagedoor open or closed. If rope knot becomes untied, you could fall.

9.If one control (force or travel limits) is adjusted, the other control mayalso needadjustment.

10.After ANY adjustments are made,the safety reversal system MUST be tested.

11.Safety reversalsystem MUST betested every month. Garagedoor MUST reverseon contact with 1-1/2" high (3.8 cm) object (or a 2x4 laid flat) on the floor.

12.ALWAYSKEEPGARAGEDOORPROPERLYBALANCED(see page3). An improperly balanceddoor may not reverse when required and could result in SEVEREINJURYor

DEATH.

13.ALL repairs to cables, spring assemblies and other hardware,ALL of which are under EXTREMEtension, MUST be made by a trained door systems technician.

14.ALWAYSdisconnect electric power to garagedoor opener BEFOREmaking any repairs or removing covers.

SAVETHESEINSTRUCTIONS.

Using Your Garage Door Opener

Your Security+ ® opener and hand-held remote control have been factory-set to a matching code which changes with each use, randomly accessing over 1OObillion new codes. Your opener will operate with up to eight Security+ ® remote controls and one Security+ ® Keyless Entry System. If you purchase a new remote, or if you wish to deactivate

any remote, follow the instructions in the Programming section.

Activate your opener with any of the following:

The hand-held Remote Control: Hold the large push button down until the door starts to move.

The wall-mounted Door Control: Hold the push button or bar down until the door starts to move.

The Keyless Entry (See Accessories): If provided with your garage door opener, it must be programmed before use. See Programming.

When the opener is activated (with the safety reversing sensor correctly installed and aligned)

1.If open, the door will close. If closed, it will open.

2.If closing, the door will reverse.

3.If opening, the door will stop.

4.If the door has been stopped in a partially open position, it will close.

5.If obstructed while closing, the door will reverse. If the

obstruction interrupts the sensor beam, the opener lights will blink for five seconds.

6.If obstructed while opening, the door will stop.

7.If fully open, the door will not close when the beam is broken. The sensor has no effect in the opening cycle.

If the sensor is not installed, or is misaligned, the door won'tclose from a hand-held remote. However, you can close the door with the Door Control, the Outdoor Key Switch, or Keyless Entry, if you activate them until down travel is complete. If you release them too soon, the door will reverse.

The opener lights will turn on under the following conditions: when the opener is initially plugged in; when

power is restored after interruption; when the opener is activated.

They will turn off automatically after 4-1/2 minutes or provide constant light when the Light feature on the Motion Detecting Control Console is activated. Bulb size is A19. Bulb power is 100 watts maximum.

Security+ _ light feature: Lights will also turn on when someone walks through the open garage door. With a Motion Detecting Control Console, this feature may be turned off as follows: With the opener lights off, press and hold the light button for 10 seconds, until the light goes on, then off again. To restore this feature, start with the opener lights on, then press and hold the light button for 10 seconds until the light goes off, then on again.

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Sears 139.53915D owner manual Operation, Using Your Garage Door Opener, Readand Followall Warningsand Instructions

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.