57
Supported Protocols/Devices
• Open circuit trouble
• Communication trouble
• Out of sensitivity: defective or dirty device
• Freeze trouble
10.2.2 Open Circuit Trouble
If the loop is broken the panel shows open loop trouble. The panel can still communicate with
the devices depending upon where the open occurs.
Figure 31 Open Circuit Trouble
10.2.3 Communication Trouble
If there is a fault in the line or the line is too noisy, the panel cannot communicate with the
devices. The panel shows a communication trouble in this case.
Figure 32 Communication Trouble
10.2.4 Dirty Device Trouble
If any of the devices on the i
3
zone are dirty, the panel shows a Dirty Device trouble. The
device needs cleaning or be replaced with a new device.
Figure 33 Dirty Device Trouble
10.2.5 Out of sensitivity Trouble
If any of the devices on the i
3
zone is out of sensitivity and cannot detect an alarm condition,
the panel shows out of sensitivity trouble. In this condition the device is not usable and should
be replaced.
Figure 34 Out of sensitivity Trouble
Zone-1
Dirty Dev. Trb 1/ 1
Zone-1
Out of Sens Trb 1/ 1