Craftsman Garage Door Opener Won T Close

craftsman garage door opener won t close
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In case your storage door opener gained’t open, and the motor unit lights blink 10 instances, the issue might be the security sensors. The blinking opener lights imply that the security sensors are probably blocked or out of alignment. Faulty security sensors or defective sensor wiring additionally trigger the opener lights to blink 10 instances.

1. Search for obstructions
First, search for an merchandise blocking the door sensor and take away it.

2. Test sensor alignment
You will have bumped a sensor out of place. Every security sensor has an indicator gentle. Test that the sending sensor’s yellow gentle is on after which examine the inexperienced gentle on the receiving sensor. If the inexperienced gentle is off, realign the security sensors till the inexperienced gentle activates, after which attempt closing the door.

3. Test for error codes
If any sensor lights doesn’t come on, examine the LED troubleshooting gentle on the motor unit for an error code. The management contained in the motor unit flashes the troubleshooting LED quite a few instances to point the reason for a failure.
You may even see one in every of these error codes associated to the security sensors on a standard chain-drive storage door opener:
• 1 blink: Sensor wires are disconnected.
• 2 blinks: Sensor wires are shorted.
• 4 blinks: Sensor eyes are barely misaligned.

A belt-drive storage door opener and a few newer chain drive fashions flash the up and down arrows to show error codes. Here is an inventory of error codes associated to the sensors on these fashions:
• Up 1 blink, down 1 blink: Sensors should not put in or wires are damaged
• Up 1 blink, down 2 blinks: Wires are shorted or reversed
• Up 1 blink, down 4 blinks: Misaligned or obstructed sensor
• Up 4 blinks, down 6 blinks: Sensors have been quickly obstructed or misaligned.

4. Test the wiring
In case you see one of many first two error codes, examine the wiring between your motor unit and the sensors for seen injury. You will not be capable of examine all of the wiring if it is routed by way of the partitions to the sensors. Test the wires which you can see and restore any damaged or broken wiring.

5. Test the connections
A free wiring connection might stop the storage door opener from closing the door, inflicting an error code. Test the security sensor wiring connections on the motor unit. Reconnect any free wires.
Just remember to have the sensor wires related to the motor unit accurately. You must see the white wires twisted collectively and inserted into the white terminal on the motor unit. The white wires with black stripes go into the grey terminal. Join the wires accurately should you discover them reversed.

6. Check your security sensors straight on the motor unit
Check sending sensor first. Take away the sending security sensor with the yellow gentle from its door rail bracket. Disconnect or reduce the sensor wire about 1 foot from the tip. The sensor wire has 2 strands. Separate the strands and strip 1/2-inch of insulation from the tip of every strand. Disconnect the prevailing security sensor wires from the motor unit. Join the quick, white wire strand to the white motor unit terminal. Join the opposite wire strand to the grey terminal. Test the yellow gentle on the sending security sensor. If the yellow gentle activates, the sending sensor is okay. If the yellow gentle does not activate, you’ve confirmed that the security sensors are faulty. Right here’s a hyperlink to a video that that may present you substitute them.

If the sending sensor is okay, take a look at the receiving sensor. Take away the receiving sensor from its door rail bracket and disconnect or reduce the sensor wire about 1 foot from the sensor finish. Separate the sensor wire strands and strip 1/2-inch of insulation. Disconnect the sending sensor wires from the motor unit terminals and twist the white strands with black stripes collectively.

Repeat the method to attach the white sending and receiving sensor wire strands collectively. Join the white wire strands to the white motor unit terminal and the white and black strands to the grey motor unit terminal. Maintain the sensor eyes straight collectively and examine the lights. If one or each of the lights fail to activate, substitute the security sensors. If each lights activate, press the distant button. If the door closes, the security sensors are okay.

7. Repair the wiring.
In case you’ve eradicated the sensors, the issue is a break within the wiring. Right here’s a hyperlink to some alternative wiring that you should use to resolve the issue.
Change the prevailing security sensor wires between the storage door opener motor unit and the storage door. Subsequent, join the brand new sensor wires to the motor unit terminals and the security sensors. Reconnect the sensors to the door rail bracket and align them correctly.

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