DTMR3-TX
Doc. N°
MO-0377-ING
Copyright 2010
Data
01.04.2009
Rev.
0
Pag.
8
of
87
6. Signalization
Four signal leds are provided:
Green Led
Illuminated
- Relay working properly.
Flashing
- Internal Relay Fault
Yellow Led
Off
- No Trip
Illuminated
- Trip occurred
Flashing
- Function Timing
Reset from Illuminated status is manual
Red Led
Off
- C/B Open
Both Flashing
Operation of Trip Circuit
Supervision element.
Illuminated
- C/B Close
Green Led
Off
- C/B Close
Illuminated
- C/B Open
In case of auxiliary power supply failure the status of the leds is recorded and reproduced when
power supply is restored.
6.1 - Leds Manual Reset
For Leds’ manual reset operate as follows:
1
Press “
Menu
” for
access to the main
menu with icons.
3
Select
“
LedClear
”
Press “
Select
” to
execute the
command.
(See § Password).
2
Select icon “
Cmd
”
.
4
When command
has been executed
the display shows
“
! Command
Done
”;
Press “
Select
”,
6.2
– Display of the last trip
Beside the signalization of the yellow led “Trip”, indicating a generic function trip, the display shows a
window indicating the last function that was tripped and the number of events that are stored in the
memory. The display will show this window until the reset button or external reset are operated.
1
Press “
Menu
” to access to the main menu with icons.
Press “
Res.
” to erase visualization.
Ex. “t1I>” (flashing) is the last trip.