Hearth Record

Poseidon Diving Systems Recalls Poseidon M28A Dive Computers Due to Injury Hazard

Home product recall 23-226. Announced by CPSC on Jun 22, 2023.

  • CPSC: stop using it
CPSC’s own notice, on cpsc.gov

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The short answer

Announced by CPSC on Jun 22, 2023. Copied from CPSC on Oct 19, 2026.

Every line below is in CPSC’s own words, with its source beside it.

What’s wrong with it?

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.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

What should you do?

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.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

  • : repair.
  • How to reach the firm: 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.

Which ones are recalled?

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.

About 100 units, as CPSC gives them.

Poseidon M28A Dive Computers.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

Who made and sold it?

  • Made by Poseidon Diving Systems Inc., Chicago, Illinois.
  • Imported by Blue Ocean Ventures LLC, Gardiner, Maine.
  • Diving stores nationwide and online and at www.poseidon.com from March 2017 through April 2019 for about $2,100.
  • Made in Sweden, as the notice gives it.
Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

Was anyone hurt?

The firm has received one report within the U.S. of water intake causing the depth sensor and other electronic components of the dive computer to malfunction. No injuries have been reported.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

What the record doesn’t say

  • The notice lists no UPCs, so check the model, the description and the photos.
  • The notice lists no model numbers in a field of their own; its description may give them.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

  • U.S. Consumer Product Safety Commission, Recalls API.

    Checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work). CPSC asks to be credited, and that no endorsement be implied.

Source:

Recalls of kids’ and home products are from the U.S. Consumer Product Safety Commission (CPSC). CPSC does not endorse Hearth Record. Copied on Oct 19, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 8, 2026. Updated monthly.

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