with the fault, the status is NC.
RESET PRE-ALARM, This allows the automatic re-establishment of the pre-alarm sig-
nal to be enabled.
In Automatic Mode (REC), if the detected leakage current is below the preset pre-alarm
threshold, the relay becomes de-activated.
In manual mode, the device has to be RESET from the alarm screen in order to re-es-
tablish the pre-alarm system.
4.5.- DISPLAY
The device has a backlit display with green or red light, depending on the state of the device.
The background to the screen in normal mode is green. The parameters required for earth
leakage protection, sensitivity and delay in its associated units are displayed. It also displays
the current leakage current.
If the device trips through any event, the screen’s background changes to red and the reason
for the trip is displayed.
Figure 15: Display RGU-10�
Display messages by device trip, Table 7.
Table 7: Display messages by device trip
Message Cause of trip
TESt Test
ERRt Poor toroid connection
EXT Remote signal ON/OFF
REM RS-485 Communications
Instant value Current leakage
Other display messages, Table 8.
Table 8: Other display messages�
Message Description
SAVE Validatecongurationvalues
EXIT Exits programming mode
OVR Current leakage reading off scale
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