Edgetech 2000-TVD, User Hardware Manual

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6-4 6.0: TROUBLESHOOTING
2000-TVD COMBINED SONAR 0017424_REV_B
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Tow cable is faulty.
Check continuity between
connectors and proper wiring.
Power board is faulty.
Verify that RED LED D2 turns on
after 10 seconds.
Towfish is faulty.
Verify the towfish on a different
digital link. Verify the digital link
on a different towfish.
The DISCOVER survey software
(if used on external topside)
reports “Cannot ping towfish”
LAN cable disconnected. Check LAN cable connection.
Tow cable disconnected. Check tow cable connection.
Modem settings are incorrect.
Contact
E
DGE
T
ECH
C
USTOMER
S
ERVICE
Modem disconnected internally
on digital link.
Check all connections to the
modem are correct per the
wiring diagram, EdgeTech PN
0009221
Improper settings in DISCOVER
II (if used on external topside).
Check that under
“Configuration” pull down
“Network” the displayed
address is 192.9.0.101 with
“Port” set to 1700.
Towfish is faulty.
Verify the towfish using a
different digital link. Verify the
digital link with a different
towfish.
Table 6-2: STARMUX III Digital Telemetry Link—Troubleshooting Guide
6.3 Towfish Troubleshooting Guide
The towfish is a computer controlled device. Therefore, to troubleshoot such a complex piece of
equipment to a sub-module level, one must have the proper test equipment and thorough knowledge of
the unit’s electrical operation plus hardware aspects. The purpose of this section is not to develop those
techniques nor provide a step-by-step procedure where one may start and end up at the point of failure.
It is to give an operator some familiarity with the electronic hardware. The following sections provide