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5.2 The RESET / TEST button
5.2.1 The test function
The GX-A1+ has a test function for its internal systems. The connected sensor is not also
tested. To test the sensor, please refer to its operating instructions to find out what is recom
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mended for the respective type.
To protect your ears from the loud alarm sound, place the heel of your right hand on the
sound opening of the piezo alarm device and press and hold the RESET / TEST button with
your left index finger. After a few seconds each, the following will happen one after the other:
• The alarm tone sounds continuously, the green and yellow LEDs light up, the red LED and
the display backlight flashes
• Relay Re2 „Fault“ drops out
• Relay Re1 „Alarm“ drops out
• After releasing the RESET / TEST button, the Re2 „Fault“ relay pulls immediately
on again, LEDs, display and alarm device are back to normal
• Relay Re1 „Alarm“ picks up again
So you can be sure that all acoustic and visual alarms are reliable and that the switching of
the relays and their delays work properly. If the test is activated during the „pre-alarm“ phase,
no alarm tone can be heard.
5.2.2 The reset function for the acoustic alarm
During the „Alarm“ phase, pressing the RESET / TEST button for 2 seconds has the function
of an acoustic alarm reset, only the acoustic alarm is silenced, the alarm relay remains de-
energized and the visual warning is retained. For the time the button is pressed during the
“alarm” phase, the Re2 “fault” relay drops out briefly in order to inform the building manage
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ment system (and possibly its recording) of the acknowledgment.
5.3 The SERVICE button
In monitoring mode, use the SERVICE button to scroll through the 15 different display pages
to obtain additional information / statistics on your warning system. A longer (not harder)
press on the SERVICE button switches back to the main display page. Some meters will
often already have a number, because we test your device before delivery. The following
information can be called up:
top line
bottom line, sample values
System: OK
Sensor: Ready
Main screen
Product Type
GX-A1
Series of the warning system
Software Version
X0.05
Software Version
On Time
15h 2468sec
Total on-time in hours, seconds
Last Error Code
3
last error code, 3 = omission of 230V
Sensor Voltage
767 mV
currently measured sensor voltage
Voltage at Alarm
0 mV
No function in this Software version
Error Counter
22
total errors counted
Starts Counter
15
times, system switched on
System Temp
36 °C
Operating temperature in the housing
