IQ lock AUT, EL / EL DL, EM / EM DL, C / C DL, M / M DL
43
What if?
Mechanical contact lock IQ lock C/IQ lock C DL and mechanical lock IQ lock M/IQ lock M DL
Alarm/fault
Cause
Consequence
Remedial action
The door can be pushed or
pulled open by hand
Cross latch cannot be posi-
tioned
Bolt blocked in retracted
state
X
Position the strike plate cor-
rectly.
Lock cylinder is jammed
Bolt blocked in retracted
state
X
Check activation of the night-
latch function using the key.
Door handle is jammed in
activated position
– or –
Handle return spring is
broken
The door handle does not
return to its original position
after activation
X
Loosen the screws.
X
Lubricate the handle guide.
X
Correct fastening
– or –
X
Replace the lock.
Auxiliary latch is not activated Lock does not lock when the
door is closed
X
Check the clearance of the door
leaf.
Bolt shoots out again imme-
diately after the door has
been opened
Door handle has not been
pressed down completely
– or –
Auxiliary latch is jammed in
activated position
Slider is not held in perma-
nently unlocked position,
door cannot close and be
locked properly
X
Press the handle down as far as
it will go
X
Check the tension-free fit of the
lock.
X
Rework the lock recess if
necessary.
If there is no change in lock
behaviour:
X
Replace the lock.
The auxiliary latch closes with
door closed with “Off”
Strike plate has been re-
worked and hollowed out too
much
–
X
Open the door and replace the
strike plate.
Door leaf cannot
close
Cross latches hit the strike
plate hard
– or –
Auxiliary latch can no longer
be activated
Door leaf cannot close, latch-
es grind at the strike plate
X
Lubricate the cross latches light-
ly with a lubricant approved by
GEZE.
X
Mobilise the auxiliary catch
carefully.
