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Welcome to the Nortek Support Center

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  1. Nortek Support Center
  2. Frequently Asked Questions
  3. Maintenance and troubleshooting

Maintenance and troubleshooting

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This section contains articles about how to troubleshoot your instrument. This includes communication issues, problem during data collection and interpretation of suspicious data.

  • Function Test
  • How to perform a function test
  • Deployment file issue
  • Instrument current draw
  • Torque procedures for screws in threaded plastic
  • Basic termination RS232 and RS422
  • Loopback test
  • Why is voltage important when using my ADCP?
  • Testing your cable
  • Step-by-step connecting to your instrument
  • Signature and DVL connectivity issues via ethernet
  • My instrument is not communicating. What should I do next?
  • Do you have any recommendations on how to clean the instruments and how to prevent growth (biofouling)?
  • DVL / Signature internal LED's
  • What can I do when I receive an error message when deploying my Signature?
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