5-20 5.0 TROUBLESHOOTING
4125 SIDE SCAN SONAR SYSTEM 0004823_REV_F
Short circuit.
Same as in 2
Typically Tow cable fault. Proceed as in step 2.
Perform Meg-ohm check to cable or replace cable
To check Modem settings or re-configure or replace, Contact EdgeTech
Customer Service.
Faulty Tow Fish
VDSL assembly
To replace assembly, Contact EdgeTech Customer Service.
Topside PC’s Lan
not set correctly
Check Lan setting is enabled and set to 192.9.0.XXX
Discover IP and
Port set
incorrectly
Configure Discover Network to 192.9.0.101, port 1700.
Incorrect
Discover last used
.jni file
Delete file and re-open and re-configure Discover.
Faulty Topside
Ethernet cable
Remove Topside’s top plate and bypass connector panel E-net connector
to verify. Repair or replace cable.
Check on wireless connection.
Faulty Topside
Modem or
Isolators
To replace modem or bypass Isolators, Contact EdgeTech Customer
Service
Sonar not running
in the Tow Fish
Check using Remote Desktop. If Sonar not running, Contact EdgeTech
Customer Service.
If unable to connect remotely, open tow fish and connect monitor to CPU
to confirm. Contact EdgeTech Customer Service.
7. Distortion
or noise
in the
data
Interference from
ship’s echo
sounder
Check for other sources of noise. Try alternate survey area.
Tow fins are
damaged or
missing
Inspect and replace if needed.
Excess strumming
of tow cable
Inspect and remove slack from cable.
8. Weak or
Missing
SS Data
Swap arrays port to starboard to confirm array or electronics issue.
Incorrect Tow
Fish height
Try alternate survey area.
Verify with other Tow Fish.
10. Discover
Diag.
Window
opens
Contact EdgeTech Customer Service with error.
Check using terminal emulator.