G-U B-2156 Serie Betriebsanleitung Seite 60

Operating instructions
B-2156x | B-2157x
Motor-driven lock for timber and steel doors
60
Error description
"Locked" signal does not
appear.
Daytime release cannot be
adjusted.
The lock locks more quickly/
slowly than required.
Lock locks immediately
although hold-open time has
been set.
Programming/saving is not
possible.
Red LED lights up.
Blue LED lights up.
EN
Cause
„ "Locked" relay contact is
not assigned.
„ Door contact is defective or
not connected.
„ The latchbolt cannot move
to the "locked position".
„ Seal not broken.
„ The signal at the control
input drops out.
„ Latchbolt is jamming.
„ Hold-open time
programmed
too short/long.
„ Door contact is closed.
„ Jumper missing.
„ Locking cylinder actuation
time too short (blue LED
does not light up).
„ The lock does not switch to
programming mode.
„ Modified settings are not
saved.
„ Lock overload.
„ Cylinder locking cam not in
the removal position
(= 6 o'clock position).
„ The lock is in
service/programming
mode.
Remedy
„ Check wiring.
„ Check door contact or
wiring (see Chapter 4).
„ Align or adjust latch striker
correctly, adapt striker at
latch area.
„ Penetrate the seal and
board (see Chapter 7.7).
„ Make sure the control unit
is sending a constant signal.
„ See error description
"Lock does not unlock".
„ Check programming
(see Chapter 6.1).
„ Check door contact/open
door.
„ Check wiring
(see Chapter 4).
„ Using the locking cylinder,
turn the latchbolt 3 times
into the end position
"Locked"/"Unlocked" and
hold for 2 s each.
„ Turn off daytime release.
„ End programming mode by
operating the key 3 times
(see Chapter 6).
„ Check whether the lock is
mechanically blocked (see
error description "Lock
does not unlock").
„ Remove the key.
„ End programming mode by
operating the key 3 times
(see Chapter 6).
11.2021 | | Designed in Germany