Solve Problems

I Need an RMA (Return Materials Authorization)

How do I request an RMA (Return Materials Authorization) for equipment repairs?

Download: RMA Request Form

I Need Support Service Contract Forms

Contact CODAR for current pricing on CSERV A & B plans:

Pay-As-You-Go (CSERV-A) Service Contract Forms

Discounted Prepaid Time-Bundle (CSERV-B) Service Contract Form

Software Troubleshooting

Setting Phases From Sea-Echo (Background Information)

Why Does One Phase Value (in STAT files) Change Erratically?

Using DiagDisplay

How do I use SeaSonde applications to view data?

Troubleshooting bad data

Hardware Troubleshooting

Troubleshooting Macintosh Computers (SeaSonde Processors)

My SeaSonde processor failed to restart after a lengthy power outage drained the UPS battery. I was told I should reset the PMU. What is a PMU and how does it work?

Troubleshooting transmitter

How does VSWR affect range?

Troubleshooting receiver

What tests can I perform to determine if my receiver and transmitter are working?

How does environmental rf noise affect a SeaSonde’s signal?

Advanced: (COS Repair Techs Only) How do I replace the T/R chip (D2->D5)?

Advanced: (COS Repair Techs Only, risk of damage) How can I tell if my receiver filters are working properly?

Hardware component issues (modules, boards, etc.)

How do I replace the Tx lowpass filter and/or combine-wattmeter box?

How do I replace Rx modules?

How do I replace the Tx power supply?

How do I replace Rx modules?

Advanced: (COS Techs Only) how do I replace the blanking board?

Troubleshooting antennas

Troubleshooting Transponders

PART 1 (hardware setup): How do I set up to bench test a Transponder for proper signal?

PART 2 (signal check): How do I set up to bench test a transponder for proper signal?

Troubleshooting GPS

How do I replace the new-style Trimble Mini-GPS board?

How do I upgrade the firmware in the new Trimble Mini-GPS board?