Troubleshoot Mode
64
Document #15140 Rev.G 01/02/02 P/N 15140:G
5.3
Troubleshoot Mode
In Troubleshoot Mode, system voltages may be displayed on the 4-character display. An internal voltmeter measures
the voltage present at:
• Zone inputs
• AC power input
• Battery terminal leads
• NAC #1
• NAC #2
• Resettable 24 volt power output
To enter Troubleshoot Mode, press the
MODE
key followed by the code
8768
and then the
[ENTER/STORE]
key.
A lack of keyboard activity for a period of 20 minutes will cause the control panel to return to Normal Mode.
☛
8768
spells TROU on a Touch-Tone
®
phone.
Once in Troubleshoot Mode, the control panel will:
✓
Blink the trouble LED
✓
Activate the trouble relay
✓
Disable the NACs
✓
Disable the alarm relay
✓
Transmit the 'off normal' message to the Central Station(s)
✓
Continue to communicate any events not yet acknowledged at the Central Station prior to entering
Troubleshoot Mode
Voltages can be viewed by performing the following steps:
• AC input voltage - press
A
and then the
[ENTER/STORE]
key
• Battery voltage - press
B
and then the
[ENTER/STORE]
key
• Zone 1 voltage - press
1
and then the
[ENTER/STORE]
key
• Zone 2 voltage - press
2
and then the
[ENTER/STORE]
key
• Zone 3 voltage - press
3
and then the
[ENTER/STORE]
key
• Zone 4 voltage - press
4
and then the
[ENTER/STORE]
key
• Zone 5 voltage - press
5
and then the
[ENTER/STORE]
key
• NAC #1 voltage - press
b
then
1
and then the
[ENTER/STORE]
key
• NAC #2 voltage - press
b
then
2
and then the
[ENTER/STORE]
key
• Resettable 24 volt power - press the
RESET
key and then the
[ENTER/STORE]
key
5.3.1 Zone Voltages
The nominal threshold voltages for each zone are listed below.
Actual readings will vary depending upon system load
and AC line voltage
.
TABLE 5-1:
Nominal Zone Voltages
Zone #
Normal w/E.O.L.
Shorted
Open Circuit
1
23.5V
0.00V
25.4V
2
23.5V
0.00V
25.4V
3
23.5V
0.00V
25.4V
4
23.5V
0.00V
25.4V
5
23.5V
0.00V
25.4V