FBT 37483_VAIE2550_manual1.pdf - Manuale (Pagina 99)

8-13
USING THE SYSTEM
UK
8.5.1.4a EMERGENCY UNIT FAULT
Diagnosing faults of the emergency units
From the VOICE ALARMS FAULT panel (point 8.5.1.4), press
numerical key 4 and access the panel displaying the diagnosis of
the emergency units.
The panel is split up into two sections. The first section is used
to select the address of the station and the second to display the
faulted items.
Use the +/- knob to select the address of the station and check on the
panel whether there are any faulted items, following the indications
in the figure provided below.
Indication key
A field for selecting an address.
B field showing faults.
C address with flashing dark background: station with cleared failure (resumed).
D address with white background: fault-free station.
E
address with dark background: station with at least one on-going fault.
F underscored address: cursor for selecting an address.
G label with dark background: faulty item.
H label with white background: no faults detected.
Typology Fault Operations required
MIC.
Fault detected in the microphone capsule. Check whether the microphone and stem are fitted correctly into the
connector on the microphone base; try making an announcement in
order to test operation. If the fault persists, contact your Service Centre.
AUDIO
Fault detected on the audio communication
line from the microphone station to the VAIE
2250 unit. Inspect the cable connecting the station. Make a test announcement
in order to check operation. If the problem persists, even with the
announcement played out correctly, adjust the level of the 20 kHz test
tone following the procedure indicated under point 8.6.4 “EMERGENCY
UNIT CONFIG”.
DATA
Fault detected on the data communication
line from the microphone station to the VAIE
2250 unit. Inspect the cable connecting the station; if the problem persists, contact
your Service Centre.
EXP.
Fault detected in the station selection keypad
on the 12-zone FMD 2012 unit. If the fault persists, contact your Service Centre.
PTT, EME, EVAC
K01÷K12
Fault detected in the activation key on the
microphone base. The associations of the keys are shown in the following figure. Check
the functioning of the key. If the problem persists, contact your Service
Centre.