Ninglu BW508, Operation & Installation Manual

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15
Malfunctions
Main power failure
P ower failure indicator L1 and buzzer alarm of BW508MAIN auto turns on,
then the power will be supplied by storage battery.
M eanwhile, the POWER light of BW508MAIN goes off and BW508MAIN
outputs power failure relays to external equipments.
P ress rotary encoder S2 to mute the buzzer but the power failure indicator
L1 is still on until failure solved.
Battery supply
W
hen the supply of Main power is off, the power failure indicator and
Emergency Call facility can be operated with battery supply for a period
of 6h.
Malfunctions indication
R un normally indicator L2 on BW508MAIN is off.
R un normally indicator on BW508CONN is off.
Malfunctions output
S ystem can output switching value for connection to central alarm panels
to repeat the malfunction indication.