Fire Alarm Computer 8000C
Page 11
in Operation
CPU Failure
Trouble
Power Supply
Fig. 7: Common display TROUBLE
The common display
Trouble
is activated if at least one malfunction has been detected. The
reason will be shown on the alphanumeric display.
Yellow LED lights
⇒
A component of the fire alarm control panel or a monitored relay
output such as an external alarm device or a master box has
malfunctioned.
Operation
Green LED is permanently on
⇒
The power supply (accumulator or mains voltage) is connected.
The fire alarm control panel is in an operative condition.
CPU failure
Yellow LED is permanently on
⇒
The fire alarm control panel is only partially operative due to a
malfunction of the control panel functions. Display or operation
of the control panel is no longer possible (Exception: Key
Buzzer off).
The activating of the master box (MB) and the LED
Master box
(MB)
and
Notify fire department
is still operative in the CPU failure
mode of the control panel in the case of a fire alarm.
Power supply
Yellow LED is permanently on
⇒
The power supply (accumulator or mains voltage) is out of
order.
In cases of malfunction or emergency operation, correct functioning of the FACP is no
longer ensured. Inform customer/maintenance service!
Function of the display and operating elements
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