Johnson Controls FireClass FC501 Series User Manual page 16

Locate loop break
In the case of loop break, the display shows the fault
LOOP SIGNAL OPEN. See
Figure 13: Locate loop break screens
To locate the point of loop break, complete the
following steps:
1. Press the relevant key depending on where the
fault appears:
- If the display shows the fault on the second
line, press 2
- If the display shows the fault on the third
line, press 3
- If the display shows the fault on the fourth
line, press 4
See Figure 13
2. To confirm the loop break localisation request,
press Enter. See Figure 13
At the end of the loop break localisation, the
display shows the number of devices that the
control panel has detected on the left and right
sides of the loop. See
Note: During the locate loop break procedure,
all the detectors turn off. At the end of the
procedure, a full loop initialization is executed.
The devices not in the configuration are not
found.
16 FC501 Addressable Fire Control Panels User Manual
Figure 13 a.
b.
c.
Figure 13 d.
Locate the not addressed devices
In the case of a NOT POGRAMMED DEV. fault, to
locate not-addressed devices, use the procedure
shown in Figure 14.
Figure 14: Locate not addressed device screens
Callout Description
1 • If the display shows the fault on the
second line, press 2
• If the display shows the fault on the
third line, press 3
• If the display shows the fault on the
fourth line, press 4
2 Press Enter to view not-addressed
devices: Module LEDs switch on,
sounders starts to sound, and beacons
start to flash.
3 If not-addressed devices current is
above the loop limit, the loop shuts
down.
4 Press the SILENCE/RESOUND
SOUNDERS key to switch off the
modules LEDs and beacons, and to
silence the sounders.