Honeywell NOTIFIER ID2000 Series Installation & Commissioning Manual page 56

WARNING Risk of electric
shock. Before working on
mains connections, ensure
mains power supply to the
panel is disconnected.
997-433-000-5, Issue 5
May 2010
ID2000 Series Installation & Commissioning Manual
Signal Degraded
Data returned from a loop device is being corrupted over a
period of time.
Action: Check
Note: The default time is one hour. After a reset, it will be
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:
PSU/Charger Fault
Battery Low Voltage
Battery Failure
These faults indicate the occurence of one or more of the
following:
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.
A1 - 2
a.The continuity of loop screens.
b.The screen is connected to earth at one point
only (normally at the panel).
one hour before this fault is re-reported.
a. Faulty PSU
b. Failed 230VAC mains supply.
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.