---
title: "Poseidon Diving Systems Recalls Poseidon M28A Dive Computers Due to Injury Ha... — CPSC recall 23226 | Is It on Recall"
description: "The recalled Poseidon M28A Dive Computers can stop working due to intake of water causing a malfunctioning depth sensor resulting in a loss of dive data for the"
url: https://isitonrecall.com/recall/cpsc-23226-poseidon-diving-systems-recalls-poseidon-m28a-dive-computers-due-to-injury-hazard/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

[Recall archive](https://isitonrecall.com/archives/) / CPSC

# Poseidon Diving Systems Recalls Poseidon M28A Dive Computers Due to Injury Hazard — CPSC recall 23226

Published notice; closure not supplied

The CPSC record supplies a notice and remedy, not a current closure determination.

Source date Jun 22, 2023. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/).

## What the record says

- **Product**: This recall involves Poseidon M28A Dive Computers used for diving. They calculate continuously and present needed data for divers. The M28A works stand alone or in combination with the Poseidon SE7EN Rebreather. Only dive computers with a serial number starting with "M28A-" are included in this recall. The serial number and two metallic wet-switches are located on the back side of the recalled dive computers.
- **Reason**: The recalled Poseidon M28A Dive Computers can stop working due to intake of water causing a malfunctioning depth sensor resulting in a loss of dive data for the diver, posing an injury hazard.
- **Classification**: Not supplied
- **Recalling firm**: Poseidon Diving Systems Inc., of Chicago, Illinois; Blue Ocean Ventures LLC, of Gardiner, Maine
- **Quantity**: About 100
- **Agency-reported status**: Published recall notice
- **Source record identifier**: 23226

[Open the official record](https://www.cpsc.gov/Recalls/2023/Poseidon-Diving-Systems-Recalls-Poseidon-M28A-Dive-Computers-Due-to-Injury-Hazard)

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | Read the product description and official photos for model and lot identifiers. |

Match all identifying details in the current notice. A brand name alone is not enough.

## Distribution

Not supplied

No US distribution state could be established from this record. Check the official notice.

## Dates in the source

- **Last publish date**: Jun 22, 2023

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

## What to do next

Consumers should immediately stop using the recalled dive computers and contact Poseidon Diving Systems at m28a@poseidon.com to return the product via free return shipping and receive a free repair.

[Read the current instructions](https://www.cpsc.gov/Recalls/2023/Poseidon-Diving-Systems-Recalls-Poseidon-M28A-Dive-Computers-Due-to-Injury-Hazard)

### Contact in the notice

Poseidon Diving Systems at 800-858-6729, by email at m28a@poseidon.com or online at https://www.poseidon.com/en-us/support/m28a/ or www.poseidon.com and click on "PRODUCT RECALL - M28A" at the top of the page for more information.

## Related records

[Other consumer products records](https://isitonrecall.com/category/other-consumer-products/) [Poseidon Diving Systems Inc., of Chicago, Illinois; Blue Ocean Ventures LLC, of Gardiner, Maine records](https://isitonrecall.com/brand/poseidon-diving-systems-inc-of-chicago-illinois-blue-ocean-ventures-llc-of-gardiner-maine/)