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Use caution Medical device recall · FDA · Published March 14, 2023

Hamilton C6 Ventilator Software Error: Safety Ventilation Not Monitored

Hamilton Medical recalls C6 ventilators with software version 1.2.1 due to safety ventilation mode not monitoring patient inputs, risking undetected issues during certain settings.

🇺🇸 FDA recall #Z-1429-2023Medical deviceHamilton Medical ›
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Recalling firmHamilton Medical AGVia Crusch 8 · Bonaduz, Switzerland
✎ GovInfoNow plain-language explainer

Hamilton Medical is recalling C6 ventilators with software version 1.2.1 because a software error causes the safety ventilation mode to not monitor patient inputs. This could lead to undetected issues if specific settings and connected devices are used. Read more at govinfonow.com/recall/58756-hamilton-c6-ventilator-software-error-safety-ventilation-not-monitored.

Source Summary by GovInfoNow · govinfonow.com/recall/58756-hamilton-c6-ventilator-software-error-safety-ventilation-not-monitored · Updated August 19, 2026 · FDA enforcement record: FDA #Z-1429-2023

Cite this page

“Hamilton C6 Ventilator Software Error: Safety Ventilation Not Monitored.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/58756-hamilton-c6-ventilator-software-error-safety-ventilation-not-monitored. Based on FDA recall #Z-1429-2023 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-1429-2023%22&limit=1).

The FDA announced on March 14, 2023, that Hamilton Medical AG is recalling the HAMILTON-C6 ventilator (REF: 160021) due to a software error. The hazard involves ventilation continuing in 'safety ventilation' mode with patient inputs not monitored under specific conditions.

How to tell if you have it

  • Brand: Hamilton Medical
  • Product: HAMILTON-C6
  • REF: 160021
  • Software Version: 1.2.1
  • UDI-DI: 07630002808590

The hazard

A software error causes the ventilator to continue in 'safety ventilation' mode with audible and visible alarms while patient inputs are not monitored. This occurs when a mode change to an adaptive mode coincides with the controller and/or humidifier being connected and operational.

Context

GovInfoNow's records show Hamilton Medical AG has 11 other recalls on record since March 9, 2018. Other recent recalls of similar products include a Breathing Circuit Sets recall dated May 29, 2026, and an IntelliCuff Recall dated May 22, 2026. Other recent recalls of similar products include a Breathing Circuit Recall dated June 26, 2025, a Getinge SERVO-U/N Ventilator Sensor Module Recall dated June 30, 2026, and a Philips Respironics Trilogy EV300 Ventilator Software Update Risk dated March 2, 2026.

How to tell if you have this one

Check for the model name 'Hamilton C6' and software version 1.2.1. The unique device identifier (UDI-DI) 07630002808590 is also associated with this recall.

  • Brand
    Hamilton Medical
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Software Version

    Verify the software version on your Hamilton C6 ventilator; if it is 1.2.1, it is affected.

Where it went and when

Where it was distributed

Distributed nationwide; the notice names 15 states.

Alaska: nationwideAKMaine: nationwideMEVermont: nationwideVTNew Hampshire: nationwideNHWashington: nationwideWAIdaho: named in the noticeIDMontana: nationwideMTNorth Dakota: nationwideNDMinnesota: nationwideMNIllinois: nationwideILWisconsin: nationwideWIMichigan: nationwideMINew York: named in the noticeNYRhode Island: nationwideRIMassachusetts: named in the noticeMAOregon: nationwideORNevada: named in the noticeNVWyoming: named in the noticeWYSouth Dakota: nationwideSDIowa: nationwideIAIndiana: nationwideINOhio: nationwideOHPennsylvania: named in the noticePANew Jersey: nationwideNJConnecticut: nationwideCTCalifornia: named in the noticeCAUtah: nationwideUTColorado: nationwideCONebraska: nationwideNEMissouri: named in the noticeMOKentucky: nationwideKYWest Virginia: nationwideWVVirginia: named in the noticeVAMaryland: nationwideMDDelaware: nationwideDEArizona: nationwideAZNew Mexico: named in the noticeNMKansas: named in the noticeKSArkansas: nationwideARTennessee: nationwideTNNorth Carolina: named in the noticeNCSouth Carolina: named in the noticeSCDistrict of Columbia: nationwideDCOklahoma: nationwideOKLouisiana: nationwideLAMississippi: nationwideMSAlabama: nationwideALGeorgia: named in the noticeGAHawaii: nationwideHITexas: nationwideTXFlorida: named in the noticeFL

FDA distribution: “US Nationwide distribution in the states of CA, MA, ID, NC, GA, FL, NV, PA, MO, KS, SC, NY, NM, WY, VA.” States read from FDA’s own wording; “not listed” means the notice does not name it.

Named in the notice: California, Florida, Georgia, Idaho, Kansas, Massachusetts, Missouri, Nevada, New Mexico, New York, North Carolina, Pennsylvania, South Carolina, Virginia, Wyoming.

Recall timeline

FDA published this recall 50 days after the firm started it.

1. Firm started the recall: Mar 14, 202312. FDA classified it Class II: Apr 25, 202323. Published in FDA’s Enforcement Report: May 3, 202332023
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report

Dates from the agency record only; steps without a date are left out.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #Z-1429-2023 (March 14, 2023) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-1429-2023 to see it in context.
  • Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA