12
6. The door can be locked normally, but three short
beeps are heard and the door would not unlock
when the user code was entered and the
programming button is pressed.
Cause: The functioning of the micro-switch is abnormal.
Solution: Please unlock the door with the keys first and then contact
the distributor for inspection and maintenance.
7. While the door is closed, you hear the latch bolt
coming out when you press the programming
button to lock the door; however, three short
beeps are heard. Conversely, while the door is open,
no beeps are heard when locking the latch bolt.
Cause: (1) The depth of latch bolt hole is insufficient.
(2) The latch bolt is not aimed at the opening of the
strike.
Solution: (1) Please dig the latch bolt hole for the strike
deeper(min. Depth of 2.5 cm).
(2) Please adjust the strike to the appropriate
position.
