System Diagnostics Mode
System faults can occur if a PCB in the control panel or one of the repeater panels stops working. This may be
due to a fault condition, loss of power, software lockup or memory checksum error.
A system fault can also occur if the internal PCB configuration or number of repeater panels has not been
correctly set up in the panel wide programming options (2-1-2-3).
If the fault originates from the control panel’s main PCB then no further interrogation is possible and the circuit
board should be restored or replaced urgently.
The above code has been provided as a quick diagnosis tool to show which additional PCBs or repeater panels
the control panel thinks it should have according to the programming set up, Vs, the actual PCBs and repeater
panels it can see via its internal monitoring capacity.
Enter the above code and press ENTER. The control panel will illuminate LEDs to show the set up. The red, fire
LEDs show which PCBs or repeater panels the control panel thinks it should have according to the
programming set up and the amber, fault / disabled / test LEDs show the actual PCBs and repeater panels it
can see via its internal monitoring capacity.
See table below.
Extension Zone Card 1
(Zones 5 - 8)
Extension Zone Card 2
(Zones 9 - 12)
Repeater Comms PCB In
Control Panel
Any differences shown here can then be investigated and corrected either by restoring or replacing PCBs or
correcting the configuration settings in the panel wide settings mode 2-1-2-3.
The LEDs will display for 10 seconds and then the panel will automatically exit the diagnosis mode.
Note: After power up, the system should be allowed to initialise for 2 - 3 minutes before using this code
otherwise false indications could occur. If in doubt, re-enter the code a second time to check.
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