Section E
……
cont
where it is installed is dirty or dusty. This may cause the cable to
short circuit because of a ‘Trace Path‘ of congealed dust particles
or dirt. This will stop the system from being ‘RESET’
b. Open Circuit.
i. Should damage occur or a joint between Leader, Detecting or
Jumper cables become parted, an ‘Open Circuit’ alarm is activated.
Ii. The LCD Screen will change to the following:-
iii. The ‘Alarm Horn’ will sound.
iv.
Press
the button corresponding to the
‘MUTE’
key,
take NOTE of
the LOCATION READING displayed,
check this against the ‘
System
Map’
to locate the
‘Open Circuit’
.
v.
Attend to the reason giving rise to the Alarm.
vi. If you
press
the button corresponding to the
‘Show Cable’
key,
the LCD Screen will change to the following & you will be able to view
the cable characteristics of the alarm:-
- 12 -
VIEW
LOGS
SHOW
CABLE
TEST
TIME
DATE
Open Circuit at
…….. Metres
RESET
VIEW
LOGS
SHOW
TEXT
TEST
OPEN CIRCUIT
LEAK DETECT
O / C at ……. METRES