Magnetic Door Lock Troubleshooting: Problems Solving Guide

Last Updated on March 16, 2024 by Vincent Zhu

This guide provides an overview of common issues that may arise with magnetic door locks and offers troubleshooting tips to help diagnose and resolve these issues. Topics covered include power supply problems, misalignment, electrical issues, and other common causes of magnetic door lock failure.

Magnetic lock is not working.

Magnetic lock not locking

If you have a magnetic lock that is not working properly, check the following:

  • Check the Power Supply: Make sure the magnetic lock is receiving power. The lock may not function correctly if the power supply is not working. Check to ensure that the power supply is plugged in and working correctly.
  • Check the Wiring: The wiring connecting the lock to the power supply and access control system may be the issue. Check to make sure all the wires are correctly connected and not damaged. If there are any issues with the wiring, repair or replace the affected components as needed.
  • Check the Access Control System: The access control system may also be the issue. Ensure the system is functioning correctly and the lock is correctly programmed. If necessary, reset the access control system and reprogram the lock.
  • Check the Door Alignment: If the door is not aligned correctly, the magnetic lock may not function correctly. Check the door frame and the strike plate to ensure they are properly aligned. Adjust the frame and strike plate to ensure they are properly aligned.
  • Check the Armature Plate: The armature plate is the metal plate the magnet attaches to when the door is locked. Check to make sure the armature plate is clean and free from debris. If there is any dirt, dust, or debris on the plate, it can prevent the lock from functioning correctly. Clean the armature plate thoroughly and try unlocking the door again.
  • Check the Magnet: The magnet is part of the lock that attaches to the door and holds it in place. If the magnet is weak or damaged, it may be unable to hold the door properly. Check the magnet for any signs of damage, such as cracks or breaks. If the magnet is damaged, replace it with a new one.
  • Check the Controller: If the magnetic lock is still not working after trying the above troubleshooting tips, it could be an issue with the controller. Ensure the controller is working correctly and compatible with the magnetic lock. If necessary, replace the controller with a new one.

Magnetic lock not locking.

Faulty Electronics

If a magnetic lock (mag lock) isn’t locking, it could be due to various reasons. Here are steps and considerations to troubleshoot the issue:

  1. Obstructions or Foreign Particles: Dirt, grime, or other debris between the lock and the armature plate can prevent a solid connection. Clean both the magnetic lock and the armature plate surfaces.
  2. Failed Magnetic Coil: If the magnetic coil inside the lock fails, the lock won’t produce the necessary magnetic force. If you’ve eliminated other potential causes, and the lock isn’t engaging, it might be time to replace it or have it serviced.
  3. Test with a Direct Power Source: Bypass the access control system or any other intermediaries and connect the mag lock directly to its power source. This can help you identify if the problem lies with the lock or an external system.
  4. Temperature and Weather: If the lock is in a location with extreme temperatures, it might affect its operation. Cold can reduce the efficiency of the magnetic field, and excessive heat might cause components to malfunction. Ensure the lock is rated for the environment in which it’s installed.
  5. Wear and Tear: Like all devices, mag locks can wear out over time. If the lock is old and has seen heavy use, it might be time to replace it.

Magnetic lock not releasing.

If your magnetic door lock is not releasing, Here are some troubleshooting tips:

  1. Manual Override: Most magnetic locks have a manual override. This can be a button or a key switch. Use this to try to release the lock.
  2. Time Delay: Some magnetic locks have a time delay function. This delays the lock’s release for a certain period after receiving the release command. Check if this feature is activated and set correctly.
  3. Internal Failures: Magnetic locks have internal components that can fail over time. If you’ve checked everything else and the lock still doesn’t release, it might be time to replace it.
  4. Safety and Compliance: Always ensure that emergency exits are not compromised. In many jurisdictions, using magnetic locks on certain doors is illegal without a fail-safe system. The lock should be released during power failures or other emergencies.

Remember, safety comes first. If a magnetic lock is used on an emergency exit, it must have a way to release in the event of an emergency. Always ensure compliance with local safety codes and regulations.

Magnetic door lock is getting hot.

Here are some common troubleshooting tips to help you identify and fix the problem:

  • Check the Voltage: Ensure the voltage going to the magnetic lock is within the recommended range. If the voltage is too high, it can cause the lock to overheat. Check the manufacturer’s specifications to ensure the voltage is within the recommended range.
  • Check the Wiring: The wiring connecting the lock to the power supply may be the issue. Check to make sure all the wires are correctly connected and not damaged. If there are any issues with the wiring, repair or replace the affected components as needed.
  • Check the Location of the Lock: If the magnetic lock is located in an area with high temperatures or direct sunlight, it can cause the lock to overheat. Consider moving the lock to a cooler location or installing a protective cover to shield it from the sun.
  • Check the Load Rating: If the magnetic lock is used to secure a door that is too heavy for its load rating, it can cause the lock to overheat. Check the manufacturer’s specifications to ensure the lock is rated to handle the door’s weight.

For more magnetic door lock troubleshooting tips, please check this video:

How to troubleshoot magnetic door locks?

Mag lock sticking

How to bypass magnetic door lock

If your magnetic lock sticks, Here are some steps to troubleshoot and fix the problem:

  1. Check the Power Supply: Mag locks work using an electromagnetic force. They might not release properly if they’re not getting the right amount of power. Confirm that the power supply is connected and working correctly. Verify that the power supply provides the correct voltage and current rating as the mag lock requires.
  2. Examine the Door Position: If the door isn’t aligned correctly, it might place undue pressure on the mag lock, causing it to stick. Ensure that the armature plate and the magnet align properly. If they don’t, even a slight misalignment can cause issues.
  3. Inspect for Debris: Dirt, grime, or other foreign particles between the lock and the armature plate can hinder the proper release of the lock. Clean both surfaces to ensure they’re free of debris.
  4. Check the Mounting: If the lock or armature plate is loose, it can cause the lock to stick. Tighten any loose screws or mounting hardware.
  5. Inspect Wiring and Connections: Loose or damaged wires can affect the lock’s operation. Check all the wire connections to the mag lock and the access control system.
  6. Review the Access Control System: If your mag lock is integrated with an access control system, a malfunction or configuration issue could cause the lock to stick. Verify that the system sends the correct signal to release the mag lock. Test the access control system’s user interface (e.g., keycard reader, keypad, etc.) to ensure it’s functioning correctly.
  7. Temperature and Weather: If the lock is outdoors or in a location with fluctuating temperatures, changes in temperature or humidity could affect its operation. Some mag locks are designed for outdoor use and can handle these conditions better than others. Ensure you have the right type of lock for your environment.
  8. Residual Magnetism: Sometimes, after the power is cut off, a small amount of magnetism remains, causing the lock to stick. This can be due to the material used in the armature plate or a faulty lock. Consider replacing the armature plate or the lock if this continues to be an issue.
  9. Mechanical Obstruction: Ensure there aren’t any obstructions or mechanical issues with the door, hinges, or surrounding area that might be causing additional friction or force against the mag lock.

If you’ve gone through these steps and still have issues, it might be time to call a professional or consider replacing the mag lock. Sometimes, components can wear out or fail, and a replacement might be the most efficient solution.

Magnetic lock not holding.

If your magnetic lock  is not holding as it should, Here are some common troubleshooting steps to diagnose the issue:

  1. Insufficient Power: Ensure the lock is receiving the correct voltage. A voltage drop can reduce the magnetic force. Check the power supply. Ensure it’s supplying the required voltage and current. The lock’s holding strength is directly proportional to its power input.
  2. Faulty Wiring: Inspect all connections between the maglock and the power source or access control system. Loose or damaged wires can interrupt power. Ensure the wiring has the correct distance gauge and current draw gauge.
  3. Surface Issues: Maglocks rely on direct metal-to-metal contact with the armature plate (attached to the door). Ensure that the maglock and the armature plate surfaces are clean and free from dirt, paint, rust, or other contaminants. Check if the armature plate is properly aligned with the maglock. Misalignment can reduce the holding force.
  4. Physical Obstruction: Ensure nothing obstructs the door from fully closing or causing a gap between the lock and the armature plate. The gap between the maglock and the armature plate should be as minimal as possible for optimal holding strength.
  5. Debris Inside the Lock: Occasionally, debris can get trapped inside the maglock mechanism. This is rare but can reduce holding force. It might require disassembling the lock for cleaning.
  6. Wear and Tear: Over time, the internal components of the maglock can wear out or become damaged, reducing its holding strength. If the lock is old, consider replacing it.
  7. Incorrect Model: Maglocks come in various holding strengths, usually measured in pounds. Ensure the maglock you have installed is suitable for the application and the weight and size of the door.

How to reset the magnetic door lock?

How to maintain a magnetic lock?

Resetting a magnetic door lock, or maglock, typically involves resetting the controlling system rather than the lock itself since the maglock is essentially an electromagnetic coil that is either powered (locked) or not powered (unlocked). Here are general steps to reset a magnetic door lock:

  1. Power Cycling:
    • Locate the power supply for the maglock.
    • Disconnect or turn off the power supply for a minute.
    • Reconnect or turn on the power supply.

    This process can help clear minor electronic glitches that may prevent the lock from functioning properly.

  2. Access Control System: If the maglock is integrated with an access control system, you may need to reset the system itself. Follow the manufacturer’s instructions for resetting the access control system, which often involves pressing a specific combination of buttons or accessing a software interface.
  3. Check Connections: Ensure all wiring connections between the lock and the controlling system are secure. Loose or corroded connections can cause the lock to malfunction.
  4. Manual Override: Use the manual override button or key switch (if available) to release the lock. If the lock is released using manual override but not through regular means, the problem may lie with the access control system or the wiring.
  5. Review System Settings: If there’s a delay on the maglock, ensure that it’s set correctly. The lock might not release immediately if a time delay function has been activated. If the system has user-configurable settings, ensure they are set up correctly according to your requirements.

How to Fix a Magnetic Lock System?

If your magnetic door lock system is not working correctly, follow these steps to fix it:

  • Open the magnetic door lock body with a flathead screwdriver. You can find this on the side of your door frame or under your front door.

How to Fix a Magnetic Lock System 1

  • Once you have removed the cover, locate the 12-volt power supply that powers the lock system. The power supply is usually located near the top of the lock body.

How to Fix a Magnetic Lock System 2

  • Cut the wires that lead to the 12-volt power supply with wire cutters, then remove them from their terminals with needle-nose pliers (or another tool). Do not touch any metal parts while doing this! Make sure to leave enough wire to connect the new power supply later.
  • Connect the new power supply to the magnetic door lock system, making sure to link the wires to the correct terminals. Follow the manufacturer’s instructions carefully to avoid damaging the lock system.

How to Fix a Magnetic Lock System 3

  • Place the cover back over the door lock system, then reattach it to your wall or door frame with screws. Test it to make sure everything works as it should.

If you are unsure how to fix the lock system or if the problem persists, consider consulting ACS Lock for assistance.

Conclusion

By implementing the tips and advice in this guide, users can keep their magnetic door locks in top condition, ensuring optimal security and performance for years. If you have any questions, please don’t hesitate to contact ShineACS Locks!

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About Author

  • Vincent Zhu

    Vincent Zhu has 10 years of smart lock system experience and specializes in offering hotel door lock systems and home door lock system solutions from design, configuration, installation, and troubleshooting. Whether you want to install an RFID keyless door lock for your hotel, a keyless keypad door lock for your home door, or have any other questions and troubleshooting requests about smart door locks, don't hesitate to contact me at any time.

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