6/28/2011 DOC.NO.: 150D - 1
P/N RE 150D Rev. No. 1
22
CHARGER FAIL:
Whenever the Charging circuit fails / fuse blown, the
charger fail LED will glow and it also indicated by toggle Buzzer tone.
EARTH FAULT:
This LED indicates the earth fault of the zone loops.
Whenever the zone loop (+ve OR -Ve Terminal) is grounded (Body) this
LED glows.
AUX ISOLATE:
When the AUX Output is disabled, then the AUX isolate
LED will be illuminated.
HOOTER FAULT:
Whenever there is any fault in Notification Appliances
Circuits like Hooter (Sounder) loop open / short, it will be identified by
COMMON HOOTER FAULT LED.
4.3
Operation
4.3.1
ZONE FAULT RESPONSE:
When faults like Open/ Short occurred in the loop, the
corresponding ZONE FAULT LED would identify it.
Note:
During the above fault conditions, apart from the
specific fault identification LED, common fault relay and
Local buzzer with intermittent tone will be activated. During
this time, if ‘SILENCE.’ is activated, intermittent tone will be
silenced.
4.3.2
ZONE FAULT RESTORAL:
When the faults condition of the FAP is
restored
, then the
corresponding fault LED goes off and also common fault relay and
intermittent buzzer tone is deactivated.
4.3.3
ZONE FIRE RESPONSE:
When the control panel detects Fire via the Detector / MCP, the
corresponding ZONE FIRE red LED will be illuminated. At the same
time hooter, potential free contact (Fire Relay) and local buzzer
(continuous tone) will be activated.