5-10
4125 SIDE SCAN SONAR SYSTEM 0004823_REV_C
NOTE: Be sure to also verify that all the cables on the topside processor
and the tow vehicle are mated and are not loose or damaged. Most
causes of operational or performance problems are a result of poor
connections.
5
4125-P Portable Topside Processor Troubleshooting
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
No power and the POWER
indicator is off.
turned
Verify that the POWER switch is
turned on.
Verify that the topside processor is
connected to 90
260 VAC, 50/60 Hz
power. Check the AC power source.
Verify that the topside processor is
connected to 12
-
amp fuse on the side panel of
the topside processor is blown.
Check the fuse for continuity.
Replace if necessary.
Table 5-1: Topside Processor System Troubleshooting Guide
4125 Tow Vehicle Troubleshooting
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Check the tow cable. Repair or
replace the cable if it is damaged.
The ETHERNET cable is faulty.
Check the ETHERNET cable. Repair
or replace the cable if it
The tow vehicle does not respond
to commands.
NET: ON is displayed in the
DISCOVER 4125 Status bar.
Disconnected ETHERNET cable.
Verify that the ETHERNET cable is
properly connected.
No power to the topside processor.
The network is not set up correctly.
Verify that the IP address of the
ETHERNET Adapter in the laptop
computer is set to 192.9.0.99.
Poor connection between the tow
vehicle and the topside processor.
Click Start on the Windows desktop,
and then click Run and enter "cmd"
in the Open text box. At the
command prompt enter "ping
192.9.0.101." If the response is
"reply from 192.9.0.101…", then the
connection is good. If the response
is "Request timed out.”, then the
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