Section 12: Troubleshooting; Contacting Technical Support; Resetting The Instrument; Power Problems - Commtest Instruments vb Series Instrument Reference Manual

Section 12: Troubleshooting

Contacting Technical Support

If you have any problems please contact Commtest support staff
directly for assistance. Our e-mail address is help@commtest.com.
We also provide a searchable knowledge base of frequently asked
questions (FAQ) on our website.
•
The knowledge base can be found at www.commtest.com.
Click the FAQ link to access the knowledge base.

Resetting the Instrument

Warning: If the instrument does not respond to any key press
while it is operating it will continuously draw power until it is
reset and turned off. You must reset a non-responding
instrument as soon as possible.
•
In any screen hold down
reset the instrument.
Resetting the instrument does not erase data or settings stored in
the instrument.

Power Problems

Symptom
Instrument cannot power
up
Instrument powers down
when backlight is turned
on
Instrument powers down
shortly after powering up
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
and press
Cause
Low battery level
Electrostatic discharge
(ESD exceeding 8 kV)
Low battery level
Low battery level
then release to
Remedy
Charge battery pack
Reset instrument
Charge battery pack
Charge battery pack
Section 12: Troubleshooting 177