Checking Malfunction Transmission; Checking Airflow Monitoring - Bosch FCS-320-TP2 Operation Manuals

106 en | Commissioning
Check...
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7.4

Checking Malfunction Transmission

Notice!
The steps below may only be carried out following an airflow calibration in accordance with
Calibrating the Airflow Sensor, page 104.
Malfunction transmission occurs as part of checking the airflow monitoring system (as per
section below).
Check whether, when a pipe breakage and an obstruction are detected, the malfunction is
displayed at the aspirating smoke detector and at the fire panel.
7.5

Checking Airflow Monitoring

Pipe breakage
Check the breakage detection:
1.
–
2.
3.
4.
Obstruction
Check the obstruction detection:
1.
–
2.
3.
4.
Notice!
A pipe breakage or pipe obstruction is indicated by a flash code via an LED on the detector
module:
Breakage: 3 x flashes
Obstruction: 2 x flashes
The corresponding flash code is repeated every two seconds.
Troubleshooting
If the airflow malfunctions are not correctly detected by the unit, proceed as follows:
2018.04 | 2.0 | F.01U.130.926
Whether the alarm is displayed on the
aspirating smoke detector
Whether the alarm is transmitted to the
fire panel and reported on the
appropriate line
Detach the pipe from the connection to the FCS-320 or open the test adapter.
Check whether the malfunction display on the aspirating smoke detector lights up.
Alternatively, check the data of the airflow sensor using the diagnostic appliance and a
PC or laptop.
Check whether the malfunction is displayed on the fire panel.
Enter the result in the test log.
Close – depending on the planned airflow monitoring – the corresponding number of air
sampling openings with some duct tape.
Check whether the malfunction display on the aspirating smoke detector lights up.
Alternatively, check the data of the airflow sensor using the diagnostic appliance and a
PC or laptop.
Check whether the malfunction is displayed on the fire panel.
Enter the result in the test log.
If this is not the case, ...
– Check whether the display board is
connected
– There is a fault with the aspirating
smoke detector Replace the detector
module
– Check the transmission lines
Operation Guide
Aspirating Smoke Detector
Bosch Sicherheitssysteme GmbH