17
The door can be locked
normally, but when you try to
unlock it, you hear three short
beeps and the lock won't
unlock when you enter the
user code and press the
lock button.
The functioning of the
micro-switch is abnormal.
Call our customer
service department
While the door is locked, you
hear the latch bolt coming out
when you press the
lock button to lock the door;
however, three short beeps
are emitted.
Conversely, while the door is
open, no beeps are emitted
when locking the latch bolt.
(1) The depth of the latch
bolt hole is insufficient.
(2) The latch bolt is not
aimed at the opening
of the strike.
(1) Dig the latch bolt hole
for the strike
(2) Adjust the strike to the
appropriate position.
deeper.
The minimum depth is
1" (2.5 cm).
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
TROUBLESHOOTING
.
