4188-949 issue 3_05/10_Nano Comms inst.
75
Nano panel based system
Appendix
A
-
M
essage
A
ction
L
ist
Message
meaning..
..possible action
Master alarm 1 open circuit
There is an open circuit fault on the master alarm circuit 1.
Check the wiring and ensure the end of line unit is fitted
to the circuit.
Master alarm 1 short circuit
There is a short circuit fault on the master alarm circuit 1.
Check the master circuit wiring and remove the short
circuit fault.
Master alarm 2 fuse failed
The master alarm circuit 2 fuse has failed.
Check the master alarm circuit 2 fuse on the Main Control
Board and replace the fuse.
Master alarm 2 open circuit
There is an open circuit fault on the master alarm circuit 2.
Check the wiring and ensure the end of line unit is fitted
to the circuit.
Master alarm 2 short circuit
There is a short circuit fault on the master alarm circuit 2.
Check the master circuit wiring and remove the short
circuit fault.
MCP glass broken whilst disabled
Glass is broken or device has been triggered.
Check device and reset element or replace glass as
necessary.
No devices found on loop
No devices found on End 1 or End 2.
Check wiring of loop circuit.
Panel earth fault
There is an earth fault at the panel.
Find and remove the faulty connection to earth,
Power supply comms failed
The main processor cannot communicate with the internal
power supply module
Check the connection, If this fails to solve the problem,
then it could be a failure of the Main Control Board or the
Power Supply Unit. Replace the faulty item.
Power supply internal fault
The system has detected a fault with the power supply
module.
Replace the PSU module.
Printer lost
The external printer has not been seen and is ‘lost’.
Check the connections to the printer. Also check for paper
jam in the printer mechanism.
Regulated DC supply high
The internal regulated voltage from the power supply is too
high.
Replace the PSU module.
Repeat panel supply failed
The 24v DC repeat panel output supply has failed.
This could be as a result of a short circuit on the repeat
panel cable or a fault with the repeat panel itself. Either of
these would cause the output panel fuse to blow.
Investigate the cause of the fault and replace the fuse.
Sounder circuit failed
There is a fault with the sounder hardware on the S-Cube or
S-Quad.
Replace the device