why the lock does not go up or down when using the electric mortise lock

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There are several reasons why the lock head of the electric mortise lock cannot come down:
The operator sets the door to a normally open state in the access control software.
The door open button is stuck and is always pressed.
The voltage is not enough, or there is no voltage (for example, the line is broken, or the power supply is broken, etc.).
If the magnetic plate is too far from the lock or the door is not closed properly, the magnetic plate and the lead are not vertically corresponding, but offset, and the lock cannot sense it.
The electric lock is set with a delay time, and the lock head will not come down if the delay time is not over. The delay of the electric mortise lock can be set to 0-9 seconds, generally no delay is set, and the delay is 0 seconds.
The electric lock is broken.
There are several reasons why the electric mortise lock does not go up:
The operator has set the door to normally closed in the access control software.
The lock head may be stuck, for example: dust has entered the lock body. Or the mechanical design process is defective and the case is stuck. (This situation is relatively bad, but generally does not occur. Be careful not to install the electric lock on the ground, it should be installed on the top of the door, and it is not easy to enter the dust. Choose an electric lock with a good brand reputation.)