Halma Ampac SmartTerminal AS7240, Инструкция по установке и эксплуатации

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MAN2990-2
21
11 Trouble Shooting Chart
Problem Solution
Normal Supply LED not illuminated Check supply voltage it should be set to 27.2VDC.
Nominal fault voltages are - Low = (<18VDC)
High = (> 28VDC )
FACP Earth Fault LED illuminated Check all input and output cabling and wiring assemblies
for short to ground
FACP System Fault LED illuminated Ensure correct panel configuration
Check all connections for loose wiring
FACP Warning System Fault LED
illuminated Check correct E.O.L is fitted
Check wiring is connected correctly
RS485 Communication Bus not
working Refer FACP LCD. This may identify where there is a break
in the communication line
Check the
SmartTerminal Diagnostic Config LED is
flashing. If not the FACP is not communicating with the
SmartTerminal. Check the RS485 cabling.
If flashing check the
SmartTerminal’s
address.