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Craftsman 139.53993D Symptom LED is not lit on door control, Symptom Motor unit doesnt operate

Models: 139.53993D

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Bell Wire

Safety Reversing Sensor

Diagnostic Chart

Safety reversing sensors wire open (broken or disconnected).

OR

Safety reversing sensors wire shorted or black/white wire reversed.

Door control or wire shorted.

Safety reversing sensors slightly misaligned

(dim or flashing LED).

Your garage door opener is programmed with self-diagnostic capabilities. The "Learn" button/diagnostic LED will flash a number of times then pause signifying it has found a potential issue. Consult Diagnostic Chart below.

Symptom: One or both of the Indicator lights on the safety sensors do not glow steady.

•Inspect sensor wires for a short (staple in wire), correct wiring polarity (black/white wires reversed), broken or disconnected wires, replace/attach as needed.

•Disconnect all wires from back of motor unit.

•Remove sensors from brackets and shorten sensor wires to 1-2 ft (30-60 cm) from back each of sensor.

•Reattach sending eye to motor unit using shortened wires. If sending eye indicator light glows steadily, attach the receiving eye.

•Align sensors, if the indicator lights glow replace the wires for the sensors. If the sensor indicator lights do not light, replace the safety sensors.

Symptom: LED is not lit on door control.

•Inspect door control/wires for a short (staple in wire), replace as needed.

•Disconnect wires at door control, touch wires together. If motor unit activates, replace door control.

•If motor unit does not activate, disconnect door control wires from motor unit. Momentarily short across red and white terminals with jumper wire. If motor unit activates, replace door control wires.

Symptom: Sending indicator light glows steadily, receiving indicator light is dim or flashing.

•Realign receiving eye sensor, clean lens and secure brackets.

•Verify door track is firmly secured to wall and does not move.

Motor overheated or possible RPM sensor failure. Unplug to reset.

Symptom: Motor has over heated; the motor unit does not operate;

RPM Sensor = Short travel 6-8" (15-20 cm).

•Unplug unit to reset. Try to operate motor unit, check diagnostic code.

•If it is still flashing 5 times and motor unit moves 6-8" (15-20 cm), replace RPM sensor.

•If motor unit doesn't operate, motor unit is overheated. Wait 30 minutes and retry. If motor unit still will not operate replace logic board.

"0 Symptom: Motor unit doesn't operate.

Motor

Circuit Failure.

• Replace logic board because motor rarely fails.

 

Replace Receiver

 

Logic

Board.

 

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Craftsman 139.53993D owner manual Symptom LED is not lit on door control, Symptom Motor unit doesnt operate
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139.53993D specifications

The Craftsman 139.53993D is a top-tier garage door opener designed for efficiency, convenience, and durability. This model is part of Craftsman's renowned lineup, known for reliable home improvement products. With its advanced features and technology, this garage door opener offers users a blend of functionality and modern convenience.

One of the standout features of the Craftsman 139.53993D is its powerful motor. Equipped with a robust 1/2 horsepower motor, it delivers strong lifting power, making it suitable for handling standard residential garage doors with ease. This strength ensures a smooth and reliable operation, even for heavier doors.

The technology integrated into the Craftsman 139.53993D significantly enhances security. This model utilizes a rolling code technology that changes the code each time the remote is used, making it nearly impossible for intruders to gain access. The safety features extend to the presence of an infrared safety sensor, which detects any obstacles in the door’s path and reverses its direction, preventing accidents and injuries.

Convenience is a key characteristic of this garage door opener. The Craftsman 139.53993D is compatible with various remote controls, including a keypad entry, allowing for keyless entry. Additionally, the model includes an integrated Wi-Fi capability. This feature grants homeowners remote access via a mobile app, enabling them to monitor and control their garage door from anywhere, adding an extra layer of convenience.

Installation is user-friendly owing to its clear instructions and included components. Most users can set it up in a short timeframe without professional help. Furthermore, the design of the motor unit is compact, allowing for easy placement and ensuring that it does not take up excessive space in the garage.

Alongside its functionality, the Craftsman 139.53993D is built with durability in mind. It features all-steel construction, providing long-lasting reliability and strength, suitable for the demands of daily use. The quiet operation is another impressive feature, ensuring that the door opens and closes smoothly without causing disturbances.

In summary, the Craftsman 139.53993D garage door opener stands out with its powerful motor, advanced security features, convenient technology, and robust construction. It reflects Craftsman's commitment to quality and innovation in home improvement solutions, making it a dependable choice for homeowners seeking a reliable garage door opener.