ID2000 Series Installation & Commissioning Manual
Appendix 1
A1 - 2
997-433-000-5, Issue 5
May 2010
Signal Degraded
Data returned from a loop device is being corrupted over a
period of time.
Action: Check
a.The continuity of loop screens.
b.The screen is connected to earth at one point
only (normally at the panel).
Note: The default time is one hour. After a reset, it will be
one hour before this fault is re-reported.
1.1.2 Terminal Link
Terminal Link Fault
This fault indicates that the peripheral unit connected to
the Isolated RS232 port has not responded to the enquiry
code sent or the link to the third party equipment is not
connected (this would normally indicate a fault in the
external device).
Action: First check the cable. If this is OK, then replace
the unit with an RS232 monitor or device that is known to
work. If this checks out OK, replace unit. If not, change
the RS232 Module (PN: 020-478).
Note: Monitoring of this link is a configurable option.
1.1.3 Power Supply Faults
Mains/PSU Failure
This indicates that the incoming supply has failed. Check
the following:
a. Faulty PSU
b. Failed 230VAC mains supply.
PSU/Charger Fault
Battery Low Voltage
Battery Failure
These faults indicate the occurence of one or more of the
following:
a. Faulty or disconnected batteries. If discharged batteries
are connected, they may remain in Battery Low Voltage
for a period until the voltage is raised by the charger.
b. Battery charger fuse (P2 on PSU3A) has blown.
c. Faulty PSU.
Action: Replace items as required. ‘Battery Failure’ may
indicate that the impedance of the battery wiring is too
high. Action: Check the battery wiring connections.
PSU Fault: Crowbar Active
Remove mains and battery power supplies, wait
5 minutes, then perform the power up procedure. If
condition returns, call Service Engineer.
WARNING Risk of electric
shock. Before working on
mains connections, ensure
mains power supply to the
panel is disconnected.
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