XR550 SERIES SYSTEM TESTING GUIDE | DIGITAL MONITORING PRODUCTS 7
Failed Zones Display
For each zone that did not trip (failed), except key fobs, at least once during the
Walk Test, all keypads with matching Display Areas programming display the zone
name and number and buzz for one second. Any selected (*FI *PN *SV) 24-hour
zone that is faulted at the end of the Walk Test displays a trouble condition for that
zone regardless of the message programmed for the open or short condition of the
zone and a zone trouble is sent to the receiver. Press the CMD key to display the
next failed zone.
Note: For the Wireless Check-in Test, failed wireless zones display only on the
keypad. Zone Verify/Fail reports are not sent to the central station receiver for
the wireless check-in test.
Use the Diagnostics Function
The panel’s Diagnostics function (described in the Post-Installation Testing section of this guide) can also be
used to determine the system’s LX-Bus and zone statuses.
Test the LX-Bus
This function allows you to test the ability of the panel to communicate with zone and output expander
modules connected to the LX-Bus circuits.
Keep in mind, a device address is not the same as a zone number. If you are testing 714 or 715 Zone
Expander Modules, which each contain four zones, the device address is the first zone number. When the
panel polls a 714 on the LX-Bus, it recognizes it as a four zone device and does not poll the remaining three
zones. The 714 module internally polls the remaining zones and transmits any status changes to the panel.
This greatly reduces the amount of time it takes the panel to poll all LX-Bus devices.
1. Reset the panel.
2. Enter the Diagnostics code 2313 (DIAG) and press CMD.
3. Press CMD until TEST LX-BUS displays and press any select key or area.
4. The keypad displays LX-BUS:. Using the digit keys, enter the LX-Bus number, 1 to 5, to test that LX-Bus
circuit.
5. The keypad now displays ADDRESS: - . Enter a 2-digit LX-Bus device address and press CMD.
Note: When testing LX-Bus devices, enter only the addresses to which the modules have been set.
6. Press any select key or area when TEST LX-BUS displays.
7. The keypad displays TESTING . . . STOP during the device testing. At any time, you can select STOP
to end polling. The panel records the number of no responses from the device. If all polls are received
back by the panel correctly, the keypad displays 00000/65535 FAIL. If one or more polling attempts
fail, the keypad displays * * * * */65535 FAIL with the * representing the number of failed polling
attempts. A display of 65535/65535 FAIL indicates a problem with the interface card or its LX-Bus
wiring such as a bad or broken wire, harness not properly connected, or excessive noise or distance. It
can also mean that a zone number was entered that did not match a device address.
8. Press the back arrow key to enter a new device address or press CMD to exit the TEST LX-BUS.
Check the Zone State
This function allows you to enter any zone number and check its current electrical state (normal, open, or
shorted). To check a zone’s state using the Diagnostics function, follow these steps:
1. Reset the panel.
2. Enter the Diagnostics code 2313 (DIAG) and press CMD.
3. Press CMD until ZONE STATE displays. Press any select key or area.
4. The display changes to ZONE NUMBER:. Enter in the zone number you want to check and press CMD.
5. The panel displays the current state of the zone as NRML (normal), OPEN, or SHORT.
SOUTH LOBBY
ZONE: 10 -FAIL
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