Vortex
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6.3 Alarm conditions and faults
6.3.1 Display Module
If any channel detects an Alarm 1 or Alarm 2 condition, the corresponding LED for that
channel flashes on the Display Module. Alarm 3 does not activate LEDs.
At the same time, the Channel display displays the channel reading for the affected channel.
(This is called "Jump on Alarm" and can be disabled: see Appendix E.) The LED next to the
Hold button flashes to indicate that the display is held on this channel. If further channels
enter alarm, their associated red LEDs flash in the channel status display, but the Channel
Display remains on the channel that first entered alarm. In this way, it is possible to
determine which channel entered alarm first. This may help to locate the source of the
problem.
If the alarm has been triggered by a fire detector, the Reading display shows the word
"FIRE".
If any channel detects a fault condition, the yellow fault LED for that channel flashes on the
Display Module and the Channel Reading shows the detected fault code, (section 6.4.1)
To confirm that you have seen the alarm or fault, press the ACCEPT/RESET button. If the
alarm condition has already been cleared, the LED goes out. If the alarm condition still exists,
the LED display changes from a flashing to a steady state. When the alarm has been cleared,
press the ACCEPT/RESET button to clear the LED.
6.3.2 Internal sounder and relays
Alarm levels 1 and 2 and faults will activate the internal sounder and may activate relays
depending on the relay logic configuration (section 4.5.3). Alarm 3 does not activate the
sounder, but may be configured to operate relays.
To silence the audible alarm, press the ACCEPT/RESET button. The alarm relays may be
reset, depending on the relay logic configuration.
On fire channels, pressing the ACCEPT/RESET button removes the fire loop current to try to
reset latched fire/smoke detectors.
The internal sounder will also sound at a much lower rate during fire detector reset and
stabilisation time (see section 4.2) following use of the ACCEPT/RESET button.
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