Troubleshooting, For all models, For vector network analyzer only – Bird Technologies SH-362S-Manual User Manual
Page 158: For all models for vector network analyzer only
136
Troubleshooting
Any service procedure not covered in this manual should be referred to an
authorized service facility.
For All Models
For Vector Network Analyzer Only
Problem
Possible Cause
Possible Correction
Unit will not
power up.
Battery pack drained.
“Charging the Battery” on page 131.
Battery pack unable to
keep a charge.
“Replacing the Battery” on page 134.
AC adapter is damaged. Replace the AC adapter.
Batery Light
blinking
Battery cable has
become dislodged.
Return the unit for service.
Self test fails.
Error condition.
Turn off power, wait 15 seconds, then
turn power back on If the problem
persists, return the unit for service.
Keys do not
respond.
Unit is “Locked Up”.
Turn off power, wait 15 seconds, then
turn power back on.
Unit beeps and
turns off.
Internal error.
Turn off power, wait 15 seconds, then
turn power back on.
Unit was last shut down
because the battery was
too low to operate the unit.
Plug in AC adapter and operate the
unit from the AC power.
Unit operates
erratically.
System has become
unstable.
Turn off power, wait 15 seconds, then
turn power back on.
Unit ceases to
operate (locks up).
System has become
unstable.
Turn off power, wait 15 seconds,
then reapply power.
Sweep is too
slow.
Bandwidth set too low.
Increase Bandwidth. See “Setting
Occupied Bandwidth” on page 85.
Sweep stopped. Sweep set to single-
sweep or external trigger.
Set unit to continuous sweep. See
Unit is “Locked Up”.
Turn off power, wait 15 seconds, then
turn power back on.
Problem
Possible Cause
Possible Correction
Fault Location trace
appears incorrect.
Incorrect cable loss or
velocity of propagation.
Check Cable Loss and V
p
settings. See "Vp (Velocity)" on
page 51 and "Loss" on page 52.
Trace drifts outside
of specifications.
Calibration lost.
Calibrate the unit immediately
before making a measurement.
See "Calibrate Menu" on page 27.
Sweep is too slow.
Number of points too
high.
Decrease number of points.