IQ lock AUT, EL / EL DL, EM / EM DL, C / C DL, M / M DL
42
What if?
Alarm/fault
Cause
Consequence
Remedial action
No signal from the Reed
contact
Sensing distance of the Reed
contact exceeded or power
supply cable for the Reed contact
defective
– or –
Input external door contact
on the control defective
Electrical timeout func-
tion still working.
Door locks during door
closing process or re-
mains locked when door
is closed.
Door mode “door closed”
is not signalled.
X
Check Reed contact, sensing
distance observed?
X
Check continuity, check input
of external door contact on the
control.
Lock no longer locks
Power supply cable defective
Bolt no longer extends
X
Replace power supply cable.
Door leaf cannot close
Cross latches hit the strike plate
hard
Door leaf cannot close,
latches grind at the strike
plate
X
Lubricate the cross latches light-
ly with a lubricant approved by
GEZE.
Auxiliary latch can no longer
be activated
X
Mobilise the auxiliary catch
carefully.
Lever lock IQ lock EM/IQ lock EM DL
Alarm/fault
Cause
Consequence
Remedial action
Manual unlocking via the
outer door handle not
possible
Magnet is not energised
Outside handle is not en-
gaged and is disabled
X
Check the polarity of the 24 V DC
input and replace if necessary.
– and/or –
X
Check the continuity of the
power supply cable.
If the power supply cable and
polarity are both OK:
X
Replace the lock.
The door can be pushed or
pulled open by hand
Cross latch cannot be posi-
tioned
– or –
Lock cylinder is jammed
Bolt blocked in retracted
state
X
Position the strike plate cor-
rectly.
– or –
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 initial position
after activation and there is
no locking signal given
X
Loosen the screws, lubricate the
handle guide, 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
Slider is not held in perma-
nently unlocked position,
door cannot close and be
locked properly
X
Press the door handle as far as
it will go.
X
Check the tension-free fit of the
lock.
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
Door leaf cannot close, latch-
es grind at the strike plate
X
Lubricate the cross latches light-
ly with a lubricant approved by
GEZE.
Auxiliary latch can no longer
be activated
–
X
Mobilise the auxiliary catch
carefully.
Contacts are not signalling
Fittings set installed twisted
– or –
Lockcase fitted in the recess
under mechanical tension
Contacts in the lock are not
activated by the integrated
slider
X
Remove the fittings set.
X
Check the tension-free fit of the
lock.
X
Rework the lock recess if
necessary, mobilise the lock or
replace the lock.
Power supply cable is defective Relaying of contacts not
possible
X
Check power supply cable
through or replace lock.
