Edgetech 4125 Series User Manual

5-19
NOTE: Verify that all the cables on the topside processor and the towfish
are mated and are not loose or damaged. Most causes of operational or
performance problems are a result of poor connections.
5.5 4125-P Portable Topside Processor Troubleshooting
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
1. No
power
and the
POWER
indicator
is off.
The POWER
switch is not
turned on.
Verify that the POWER switch is turned on.
No AC power.
Verify that the topside processor is connected to 90–260 VAC, 50/60 Hz
power.
Check the AC power source.
Test interconnect cables against wiring diagrams in section 2.0.
Check the 5-amp fuse on the side panel of the topside processor for
continuity. Replace if necessary.
No DC power.
Verify that the topside processor is connected to 12–24 VDC power.
Check internal DC fuse
Test interconnect cables against wiring diagrams in section 2.0.
Table 5-1: Topside Processor System Troubleshooting Guide
5.6 4125 Towfish Troubleshooting
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
1. Tow Fish
Power
Light off
Faulty Topside
Verify with other Topside.
Check voltage at pins 1, 2 at Tow Cable connector on Topside. It should
measure +75vdc for approximately 10 seconds.
Check that Power Separation board’s D2 is on. If not replace Power
Separation board or Power board. To replace, Contact EdgeTech Customer
Service
2. Tow Fish
Power
Light
fades out
Faulty Tow Cable
Test cable continuity. Repair or replace cable
Faulty Topside
Verify with other Topside.
To replace Power Separation or Power board, Contact EdgeTech Customer
Service.
Faulty Tow Fish
Verify with other Tow Fish.
To replace Power Separation or CSMB board, Contact EdgeTech Customer
Service.
3. CM Light
Flashes
Slow
Open circuit.
Same as in 2
Typically Tow cable fault. Proceed as in step 2.

Edgetech 4125 Series Specifications

General

Brand	Edgetech
Model	4125 Series
Category	Sonar
Language	English