What to do if the security door is locked, if it is on the other side of your outer yard

The landlord's question is not detailed enough, according to what you said, it is estimated that the switch of the walkie-talkie in your room is broken, take it apart and see if it is broken, or loose. If it is for other reasons, it is recommended that you call the unit intercom door manufacturer through the property management company to come and repair it. That's for the best.

Just heat it by local high temperature and then cool it naturally. However, it is a little dangerous to use this, so it is better to let a professional repairer repair it repair. Security door maintenance instructions 1, when opening and closing the door as much as possible, push and pull gently, long-term violent impact will loosen the security door parts and reduce the service life. >>>More

What if! If it's broken, then you have to find this lock replacement company to replace the lock and install another one.

If the security door is out of power, take the spare key to open it!

Method 1: Gently tap the lock seam with a hammer, try to return the key to its original position, and open it with the remaining half. >>>More