NV5LT/NV3.5LT TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
VERSION 3.3 2016-03-10
PAGE 4.1.5
View Alarms Screen
If an alarm exists and is currently being recognized by the transmitter system, it is displayed in the
View
Alarms
screen (
Main Menu -> View Status -> View Alarms
) of the front panel
Display
(see
).
Figure 4.1.2: View Alarms Screen
1.
Scroll through the
View Alarms
screen to view the active faults.
2.
Attempt to clear any latching alarms by pressing the checkmark button in the
Main Menu ->
Reset Alarms
screen. If the alarm persists, it will not clear from the display.
3.
Locate the alarm name in
to determine the cause of the alarm and
perform any recommended procedures in the
Description and Troubleshooting Action
column.
This may also lead to replacing a suspect PWB, power supply or fan, as detailed in
NOTE
: Before undertaking any troubleshooting, record all meter readings and note if any other alarms
are displayed on the
View Alarms
page
.
Record all alarms.
NOTE
contains a column for most
Alarms
that can occur, sorted
alphanumerically for each sub-system, including both the names displayed on the AUI and, if different,
the front panel UI (in parentheses). The
Description and Troubleshooting Action
column provides a
brief description of the alarm, troubleshooting tips and a cross-reference to more detailed
troubleshooting, as applicable.
4.
If troubleshooting and subsequent replacement of a suspect PWB or module causes the alarm to
disappear from the
View Alarms
screen, the alarm has been successfully cleared. If the fault
condition does not clear, contact Nautel.
Summary of Contents for NV3.5LT
Page 2: ......
Page 4: ......
Page 8: ...NV5LT NV3 5LT TROUBLESHOOTING MANUAL PAGE 4 VIII VERSION 3 3 2016 03 10 ...
Page 294: ...VERSION 3 3 2016 03 10 SD 32 Figure SD 32 NAFP109B Output Power Probe and Sample PWBs ...
Page 307: ...VERSION 3 3 2016 03 10 MD 8 Figure MD 8 NAPA31C Power Amplifier PWB Q1 ...
Page 322: ...NV5LT NV3 5LT TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4 6 2 VERSION 3 3 2016 03 10 ...
Page 323: ......