# Technical Bulletin #2

Date: September 11th, 2025

Product: Tracker 650 DVL V2 (post-2025)

Problem: Water ingress due to manufacturing defect

#### Summary <a href="#summary" id="summary"></a>

A manufacturing defect in the housing back piece can lead to water ingress. The problem was corrected on any units built after September 11th 2025.&#x20;

#### Identification of Problem <a href="#identification-of-problem" id="identification-of-problem"></a>

* Water ingress in housing.&#x20;
* All V2 Tracker 650 units built before September 11th 2025 are effected by this bulletin

#### Correction Procedure <a href="#correction-options" id="correction-options"></a>

Warranty Return: [Submit a support ticket](https://ceruleansonarhelp.zendesk.com/hc/en-us/requests/new), Cerulean Sonar will repair the electronics at no cost.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.ceruleansonar.com/c/tracker-650/technical-bulletins/technical-bulletin-2.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.