How to Fix an Automatic Door That's Opening and Closing Too Quickly

Automatic doors are designed to make entry and exit to commercial buildings easy and convenient. However, sometimes they can malfunction and cause issues like opening and closing too quickly. This can be dangerous and inconvenient for users, and it needs to be addressed as soon as possible. Here are some steps to fix an automatic door that's opening and closing too quickly:

Step 1: Check the Door's Sensor

The first thing to check when your automatic door is opening and closing too quickly is the door's sensor. The sensor is responsible for detecting movement and signaling the door to open or close. If the sensor is adjusted to detect pedestrians further away, the automatic doors will open sooner, than if the sensors are adjusted to detect pedestrians closer to the door opening. Always make sure that the sensor is properly aligned and adjusted according to the manufacturer's instructions.

Step 2: Check the Door's Control Box Speed Settings

The control box of an automatic door is responsible for controlling the door's movement and speed. The settings of an automatic door control box can also cause it to open and close too quickly. Check the door's settings for any changes or malfunctions, and adjust them according to the manufacturer's instructions. For example, you can adjust the door's speed, opening and closing delay, and sensitivity. If you are unsure how to adjust the settings, consult the manufacturer's manual or contact a professional technician.

Step 3: Check the Door's Timing Belt

An automatic door uses a timing belt to open and close the doors. A timing belt that is very taught around the motor and end pulley can significantly slow the door down. Likewise a looser timing belt can increase the opening and closing speed of the doors. Always make sure that the timing belt is properly aligned and adjusted according to the manufacturer's instructions.

Step 4: Call a Professional Technician

If you have tried all the above steps and your automatic door is still opening and closing too quickly, it's time to call a professional technician. An experienced technician can diagnose the problem and provide the best solution, whether it's repairing or replacing a part, reprogramming the control box, or adjusting the settings. Trying to fix the door yourself can be dangerous and may cause more damage or injuries. Therefore, it's always better to leave the job to a professional.

Conclusion

An automatic door that opens and closes too quickly can be a safety hazard and inconvenience for users. By following these troubleshooting steps, you can identify and fix the issue causing the rapid door movement. Remember to always prioritize safety when working on automatic doors and if you are unsure about any repairs, it's best to contact a professional.

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