GEZE GC 304 R - Door Opens for No Apparent Reason; LED Flashes Quickly; Sensor Does Not React to Remote Control

17
Fault messages and troubleshootingGC 304 R
Display Eect Cause Elimination
The door
opens for
no apparent
reason.
It is raining and the
sensor detects the
movement of the
rain drops.
X
Check whether uni mode has
been selected.
X
Increase the immunity lter.
X
Install a rain cap.
In metallic environ-
ments the sensor
detects objects that
are not in the detec-
tion area.
X
Change the antenna angle.
X
Reduce the area size.
X
Increase the immunity lter.
In interlocking door
systems the sensor
detects the move-
ment of the opposite
door.
X
Change the antenna angle.
X
Replace the antenna.
X
Increase the immunity lter.
The LED ashes
quickly follow-
ing unlocking.
The sensor requires
an access code for
unlocking.
X
Enter the access code.
X
Forgotten the access code?
Switch the power supply o
and on to unlock the sensor.
The sensor
does not react
to the remote
control.
The batteries are not
suciently charged
or not inserted
correctly.
X
Check and/or replace the
batteries.
The remote control
is not aligned to the
sensor.
X
Align the remote control to
the sensor.