Honeywell NOTIFIER NFS2-640 Operation Manual page 67

Point and System Troubles Lists
TROUBLE TYPE
PRLOSS The output module or new sounder base lost power.
SHORT The module device has a short circuit on its supervised wiring.
SHORT ON x. There is a short on speaker circuit x.
TEST F This detector has failed the FACP's periodic detector test for alarm
capabilities.
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.)
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.
XP TBL XPIQ general trouble.
* This trouble may be fire panel or backup battery related. Test and replace backup batteries if necessary.
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.
TROUBLE MESSAGE
TYPE
AC FAIL The main power supply has lost AC power.
ADV WALK TEST There is an Advanced Walk Test in progress.
ANNUN x NO ANSWER The annunciator at address x is not responding.
ANNUN x TROUBLE The annunciator at address x is in trouble.
AUXILIARY TROUBLE An auxiliary device connected to the CPU2-640 at J6 is in
trouble or the cable is missing.
BASIC WALK TEST A Basic Walk Test is in progress.
BATTERY The main power supply's battery charge is too high or too
low.
BAT.BACKUP RAM RAM battery backup is low.
CHARGER FAIL* The main power supply's battery charger is not working
properly.
CORRUPT LOGIC EQUAT The database that houses the panel's logic equations is
corrupt.
DRILL ACTIVATED Drill has been activated.
DVC ANALOG OUT x TBL A trouble has occurred on DVC-AO analog output x (1-4).
The analog output is configured for class X, but no audio
signal is returned.
DVC AUDIO LIB. CORRUP The audio library is corrupt.
The audio library is not compatible with the
DVC AUDIO LIB. INCOMP
programming database.
DVC BUZZER OFF-LINE The piezo is disabled.
DVC DAA DOWNLOADING A DAA download is in progress.
DVC DATABASE CORRUPT The database that houses the DVC's programming is
corrupt.
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POINT TROUBLES
TROUBLE DESCRIPTION
Table D.1 Point (Device) Troubles (2 of 2)
SYSTEM TROUBLES
TROUBLE DESCRIPTION
Table D.2 System Troubles
ACTION
Turn power back on.
Check the connections from the module to the input or
output device to which it is wired.
Locate the short and fix.
The detector should be removed and replaced by an
authorized service representative.
Replace the detector.
Check the detector and the nearby conditions to
determine the problem.
Check the XPIQ point for problems.
ACTION
Investigate whether there is an AC power loss, or
whether the PS is correctly installed and wired.
No action is required.
Determine whether the device is functional, and
connected and addressed properly.
Determine if the ACS module is functional, correctly
installed, and configured properly.
Check the wiring and source.
No action is required.
Check batteries, replace if necessary.
Replace battery.
Correct the fault.
The database must be re-downloaded, or all
programming must be cleared and re-entered.
No action is required.
Investigate and fix.
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.
Check the version using VeriFire Tools. Correct
and re-download the database and audio library.
Re-enable the piezo at switch 5 on the DVC.
No action is required.
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.
NFS2-640 Operations P/N 52743:L4 06/10/19
System Troubles