Section 6: Troubleshooting - QVI Cobra DRS-300 User Manual

Section 6
This section provides information that will help you troubleshoot and resolve
system problems. If the solutions do not resolve your system problem(s), contact
your local authorized sales representative for further assistance.
Note: Refer to the Scan-X Reference Guide (P/N 790338) for troubleshooting
information related to the Scan-X software.
Problem
Cobra does not power
up
Scan-X does not detect
Cobra
Troubleshooting
Possible Cause
Main power is off
Cobra power cord is
not connected to
Cobra
Cobra power cord is
not connected to the
main power source
Faulty wall outlet
Faulty Cobra power
cord
Parallel port is not set
to 'bi-directional'
Parallel port
designation is not set
Faulty parallel cable
Troubleshooting
Possible Solution
Turn on the main power
Plug Cobra power cord into the
power cord receptacle on the Cobra
back panel
Connect the Cobra power cord to the
main power source
Use different wall outlet
Repair current wall outlet
Reset circuit breaker
Make sure system is plugged into an
outlet that meets the system power
requirements
Swap suspected faulty power cord
for known good one; replace if
necessary
Set the parallel port to 'bi-directional'
Specify the parallel port being used
by Cobra, as described in Section 2
Swap suspected faulty cable for
know good one; replace if necessary
6-1