GE P743 - Page 39

Getting Started
P74x/EN GS/Na7
MiCOM P741, P742, P743
(GS) 3-
7
GS
LED
Number
LED Input Connection/Text Latched P74x LED Function Indication
13
FnKey LED5 Red
FnKey LED5 Yellow
FnKey LED5 Green
No
Zone 2: 87BB & 50BF blocked
Zone 2: 50BF blocked
Zone 2: protected
14
FnKey LED6 Red
FnKey LED6 Yellow
FnKey LED6 Green
No
Not used
Not used
Reset CU Indications
15
FnKey LED7 Red
FnKey LED7 Yellow
FnKey LED7 Green
No
Not used
Not used
Reset CU & PU Indications
16
FnKey LED8 Red
FnKey LED8 Yellow
FnKey LED8 Green
No
Not used
Not used
Reset PU Trip Latch
17
FnKey LED9 Red
FnKey LED9 Yellow
FnKey LED9 Green
No
Not used
Not used
Manual DR trigger
18
FnKey LED10 Red
FnKey LED10 Yellow
FnKey LED10 Green
No
Not used
Dead Zone fault
Not used
Peripheral Unit P742:
LED
Number
LED Input Connection/Text Latched P74x LED Function Indication
1 LED 1 Red No Isolator 1 Closed
2 LED 2 Red No Isolator 2 Closed
3 LED 3 Red No Isolator 3 Closed
4 LED 4 Red Yes Trip on CU 50BF backtrip order
5 LED 5 Red Yes Trip on CU 87BB trip order
6 LED 6 Red Yes Dead Zone fault
7 LED 7 Red No Circuit Breaker out of service
8 LED 8 Red No Fiber communication Error