Craftsman 139.53664SRT2 owner manual Aligning the Safety Sensors, Trouble Shooting

Page 23

•Center each sensor unit in a "C" wrap with lenses pointing toward each other across the door (see Figure 6).

•Secure sensors with the hardware shown. Finger tighten the wing nut on the receiving eye to allow for final adjustment. Securely tighten the sending eye wing nut.

•Run the wires from both sensors to the opener. Use insulated staples to secure wire to wall and ceiling.

•Strip 1/4" of insulation from each set of wires. Separate white and white/black wires sufficiently to

connect to the opener terminal screws: white to 2 and white/black to 3.

Aligning the Safety Sensors

•Plug in the opener. Green indicator lights in both the sending and receiving eyes will g/owsteadilyif wiring connections and alignment are correct.

The sending eye indicator light will glow regardless of alignment or obstruction. If the indicator light is

off, dim, or flickering in the receiving eye (and the invisible light beam path is not obstructed), alignment is required,

•Loosen the sendingeye wing nut and readjust, aiming directly at the receiving eye. Lock in place.

•Loosen the receiving eye wing nut and adjust sensor vertically and/or horizontally until it receives the sender's beam. When the green indicator light glows steadily, tighten the wing nut.

Hardware Shown Actual Size

1/4-20x1-1/2'

Figure 6

IndLcator

Ught

1/4-20 X 1-1/2'

HexBolt

Trouble Shooting

1.If the sending eye indicator light does not glow steadily after installation, check for:

•Electric power to the opener.

•A short in the white or white/black wires. These

can occur under staples or at screw terminal connections.

•Incorrect wiring between sensors and opener.

•An open wire (wire break).

2.If the sending eye indicator light glows steadilybut the receiving eye indicator light doesn't:

•Check alignment.

•Check for an open wire to the receiving eye.

3.If the receiving eye indicator light is dim, realign either sensor.

NOTE: When the invisible beam path is obstructed or misa/igned while the door is closing, the door will reverse. If the door is already open, it will not close. The opener lights will flash 10 times. (_ifbulbs are not installed, 10 clicks are audible.) See page 21.

Figure 7

Connect Wire to

Opener Terminals

Door Control

 

Sensor

Corlnections_

---

ConnocUorls

(dotted line)

/

[]

OPENER TERMINAL SCREWS

23

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Contents CRRFTSMIiN MechanicalElectricaL Start by Reviewing these Important Safety Alert SymbolsYoull Need Tools Work properly. See page 30. Floor or door should Otherwise, the safety reverse system may notClosed Position It must close on the floor all the way acrossHardw&faSlsenlguired One-P ece Door without TrackOne-Piece Door with Track Carton Inventory Safety Reversing Sensor Installation Hardware Installation HardwareHardware Shown Actual Size Assembly Section Pages 8Assembly Step Assemble the T-rail Attach the Belt Pulley BracketFasten the T-rail to the Opener Install the Trolley on the T-railCheck to make sure the belt is not twisted Install the Belt Set Belt TensionPlace To attach the belt cap retainer Attach the Belt Cap RetainerProceed to , Installation Section Installation Step#youneed to install the header bracket Pages 12Example One-piece door without track Jamb hardwareDoorHardware Shown Actual Size Install the Header BracketFasten the Header Bracket to the Wall Fasten the Header Bracket to the CeilingShown Actual Size Attach the T-rail Header BracketPosition the Opener Is not properly secured. Fasten the opener Hang the OpenerOpener could fall and injure someone if it Install the Premium Control Console Install the lights Install the Lights LensesInstall the lenses 32 explains how to use the door controlElectrical Requirements If permanent wiring is required by your localCode, refer to the following procedure Facing the door from inside the garage Safety Reversing SystemAlternate Floor Mount Install the Safety Reversing SensorSensors will face each other across the garage door Finger tighten the lock nutsTrouble Shooting Aligning the Safety SensorsBracket Hodzontal and vertical reinforcement Fasten Door BracketScrewsnot provided Hole Alignment Alternative Connect Door Arm to TrolleyTogether to the longest possible length, with a 2 or Adjustment Procedures for One-Piece DoorsFasten the straight and curved door arm sections If the door does not close completely Adjustment Section Pages 28Adjust the UP and Down Limits How and When to Adjust the LimitsTest the Down close force Adjustment StepAdjust the Force How and When to Adjust the ForcesAdjustment Test The Safety Reversing SensorTest the Safety Reverse System Important safety checkCare of Your Opener MaintenanceTo reduce the risk of severe Injury or death to personsOperation of the Door Controls Operation of Your OpenerIf you do not have a Premium Control Console Receiver and Remote Control ProgrammingIf you have a Premium Control Console Situation Having a Problem?Probable Cause and Solution Probable Cause & Solution Installation Parts Repair PartsRail Assembly Parts Opener Assembly Parts Repair PartsIf you do not have Premium Control Console AccessoriesFor Sectional Doors On12 Index Product Type Part Number Model Description 8OO-366-PART

139.53664SRT2 specifications

The Craftsman 139.53664SRT2 is a highly regarded garage door opener that combines reliability, advanced technology, and user-friendly features. Designed for residential use, this model stands out due to its robust functionality and ease of installation, making it a popular choice among homeowners.

One of the standout features of the Craftsman 139.53664SRT2 is its powerful motor. It boasts a 1/2 horsepower motor capable of lifting standard residential garage doors with ease. This strength means reliable performance even in adverse weather conditions, ensuring that your door operates smoothly and efficiently each time.

Another key technology in this model is the Smart Control system. The Craftsman 139.53664SRT2 allows users to operate their garage door remotely, thanks to its built-in Wi-Fi connectivity. By connecting to a smartphone app, homeowners can monitor and control their garage door from anywhere, providing added convenience and security. This feature also enables users to receive alerts and notifications, ensuring they are always informed about the status of their garage door.

Security is a top priority for the Craftsman brand, and the 139.53664SRT2 features advanced security measures, including rolling code technology. This technology generates a new access code each time the remote is used, effectively preventing unauthorized access and ensuring that your garage remains secure.

The installation of the Craftsman 139.53664SRT2 is straightforward, thanks to its user-friendly design and comprehensive instructions. Many users appreciate that it can be installed as a DIY project, saving on installation costs while providing the satisfaction of completing the task themselves. The system is compatible with most existing garage door systems, making it versatile for different setups.

In terms of noise level, the Craftsman 139.53664SRT2 operates quietly, allowing for a smooth opening and closing process without disturbing the household. This feature is particularly beneficial for those with living spaces above the garage.

Overall, the Craftsman 139.53664SRT2 is a dependable garage door opener that integrates modern technology, ensuring safety, convenience, and ease of use. Its powerful motor, Wi-Fi capability, and enhanced security features make it a valuable addition to any home.
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