NFS2-640/E Operations Manual —
P/N 52743:F1 06/16/2011
69
System Troubles
Point and System Troubles Lists
D.2 System Troubles
A message from the “Trouble Type” column in the following table will appear in the panel display
when a system trouble occurs. Use this table to help determine the cause of the trouble.
TEST F
This detector has failed the FACP’s periodic detector test for alarm
capabilities.
The detector should be removed and replaced by an
authorized service representative.
THERM
The thermistors are not functioning properly on an FSC-851 IntelliQuad
detector. (This trouble generates in FlashScan mode only. CLIP mode
will generate a LO VAL error.)
Replace the detector.
VER HI
This detector, which has been programmed to participate in alarm
verification, has gone into and come out of verification its programmed
limit without going into alarm. Either something is wrong with the
detector or there is a condition nearby (such as someone smoking) that
causes it to go into verification frequently.
Check the detector and the nearby conditions to
determine the problem.
XP TBL
XPIQ general trouble.
Check the XPIQ point for problems.
* This trouble may be fire panel or backup battery related. Test and replace backup batteries if necessary.
POINT TROUBLES
TROUBLE TYPE TROUBLE DESCRIPTION
ACTION
Table D.1 Point (Device) Troubles (2 of 2)
SYSTEM TROUBLES
TROUBLE MESSAGE
TYPE
TROUBLE DESCRIPTION
ACTION
AC FAIL
The main power supply has lost AC power.
Investigate whether there is an AC power loss, or
whether the PS is correctly installed and wired.
ADV WALK TEST
There is an Advanced Walk Test in progress.
No action is required.
ANNUN x NO ANSWER
The annunciator at address x is not responding.
Determine whether the device is functional, and
connected and addressed properly.
ANNUN x TROUBLE
The annunciator at address x is in trouble.
Determine if the ACS module is functional, correctly
installed, and configured properly.
AUXILIARY TROUBLE
An auxiliary device connected to the CPU2-640 at J6 is in
trouble or the cable is missing.
Check the wiring and source.
BASIC WALK TEST
A Basic Walk Test is in progress.
No action is required.
BATTERY
The main power supply’s battery charge is too high or too
low.
Check batteries, replace if necessary.
BAT.BACKUP RAM
RAM battery backup is low.
Replace battery.
CHARGER FAIL*
The main power supply’s battery charger is not working
properly.
Correct the fault.
CORRUPT LOGIC EQUAT
The database that houses the panel’s logic equations is
corrupt.
The database must be re-downloaded, or all
programming must be cleared and re-entered.
DRILL ACTIVATED
Drill has been activated.
No action is required.
DVC ANALOG OUT x TBL
A trouble has occurred on DVC-AO analog output x (1-4).
The analog output is configured for style 7, but no audio
signal is returned.
Investigate and fix.
DVC AUDIO LIB. CORRUP
The audio library is corrupt.
The library must be re-downloaded, or all
programming must be cleared and re-entered. If the
trouble still does not clear, contact Technical Services.
DVC AUDIO LIB. INCOMP
The application or database version is incompatible.
The correct application or database version must
be downloaded.
DVC BUZZER OFF-LINE
The piezo is disabled.
Re-enable the piezo at switch 5 on the DVC.
DVC DAA DOWNLOADING
A DAA download is in progress.
No action is required.
DVC DATABASE CORRUPT The database that houses the DVC’s programming is
corrupt.
The database must be re-downloaded, or all
programming must be cleared and re-entered. If the
trouble still does not clear, contact Technical Services.
DVC FFT Riser TBL
DVC DBASE INCOMPAT
The application or database version is incompatible.
The correct application or database version must
be downloaded.
Table D.2 System Troubles
