Edgetech Model 3100P Sub-bottom Sonar System, Hardware Manual

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SECTION 5: TROUBLESHOOTING 5-2
3100-P PORTABLE SUB-BOTTOM 0004802_REV_F
5.1 3100-P Portable Topside Troubleshooting
A table of troubleshooting procedures for the 3100P Topside is provided below:
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
RED POWER LED indicator on the
topside does not turn on when
the switch is turned on.
LED is defective Replace the bulb. The Power Amplifier will operate with the bulb
burnt out.
AC fuse is blown. Check the 5A/250V fuse in the topside connector box. If
blown, replace the fuse.
DC fuse is blown Check the 20A fuse inside the 3100P topside. To access remove
Top cover. If blown, replace the fuse. Use a 20A supplied.
The green Ready LED indicator on
the 3100P Topside Processor does
not illuminate AC power is not connected. Check the AC power cables and verify that the Deck Unit is
connected to AC power.
The indicator is not operating. Open the 3100P Topside Processor and check the indicator and
replace LED.
When performing the pre-
deployment tests,
transmissions from the
transducers are not heard. The tow cable is
disconnected. Check the tow cable and verify that it is properly connected on
both ends.
The tow cable is damaged.
Check the tow cable connectors for excessive corrosion or a
broken pin.
If corrosion or a broken pin is not found, check the continuity of
the conductors in the tow cable.
The topside spider has failed, replace spider assembly
The transducer has failed, replace transducer .
The Power Amplifier has
failed.
Replace the Power Amplifier.
The Tiger board has failed.
1. Check the sonar.exe program to see what it is reporting for
a fault if any.
2. Check connectors to board
3. If these solutions fail, Contact EdgeTech about replacing the
Tiger Board
When performing the pre-
deployment tests, signals in the
Sonar display are not present Tow vehicle cable harness
connections are loose. Verify that all the cable harness connectors in the tow vehicle
are properly mated.
12 VDC power for the
preamplifier is not present. Check the sonar.exe program for 12 VDC
If 12 VDC is not present replace the Tiger board.