N93-601-00 Issue 1
Page 19 of 25 © Protec Fire Detection PLC 2015
6.0 Response to a Fault/s
The Cirrus Hybrid monitors various aspects of the unit to ensure the unit is operating within its correct
parameters. When the cirrus hybrid has a fault the buzzer will sound and one or more of the following
indications will be displayed. Unless otherwise stated in is necessary to contact a Protec operative or a
Protec distributor.
6.1
Device Missing
A communication problem to a device within the unit has been detected or a device has been removed
from the unit.
User Action
Check the device in fault is fitted correctly otherwise contact a Protec operative or a Protec distributor.
6.2
Device Added
A Cirrus Hybrid device has been added to the unit but the unit has not been commissioned to enable the
device. The device will NOT detect fires.
User Action
Contact a Protec operative or a Protec distributor.
6.3
Airflow Fault
The airflow reading has moved out of the accepted fault tolerance nominal value range by either an
increase or a decrease in airflow.
Select the quick navigate airflow icon
to view the current airflow value. At the time
of commissioning when the pipe configurations are complete the airflow reading must
be zeroed. The Cirrus Hybrid sets the normalised zeroed value to 100%. If the airflow
reading has drifted out of the fault tolerance range an airflow fault is generated.
User Action
Check the air inlet pipes and outlet exhaust are fitted correctly with no blockages
If the fault persists contact a Protec operative or a Protec distributor.
6.4
No Water Fault
The cloud chambers distilled water reservoir is empty. The unit will continue to operate for approximately 5
days after the
‘No Water’ fault is generated.
User Action
Refill the internal water container using distilled water only. Any other water will damage the unit. Follow the
service procedure.
6.5
Chamber Seal Fault
The chamber is tested for ‘leaks’ during the power up tests. This fault does not necessarily stop the unit
functioning, but it must be attended to before complete failure occurs.
User Action
Contact a Protec operative or a Protec distributor.
6.6
Vacuum Fault
The unit has detected that the vacuum generated is insufficient to form a cloud. Check connections to the
pump, the pump operation and the pipe to sensor on the PCB and from the pump to the cloud chamber.
User Action
Contact a Protec operative or a Protec distributor.