March 5, 2026 — A recent incident report details the critical failure of a FEODSEW Smoke and Carbon Monoxide Detector combo unit, purchased from Amazon, to detect smoke during a kitchen fire event. The report highlights concerns that the product, despite being labeled with UL safety certifications, may be dangerously defective, potentially putting lives at risk.
Product Details
Brand: FEODSEW
Product Model: WJ-SC07
Description: Smoke Detector and Carbon Monoxide Detector Combo with LED Indicators, 2 in 1 CO & Smoke Alarm, Battery Operated Smoke and Carbon Monoxide detectors 3-Pack
Link for exact product purchased: https://a.co/d/0cYp0m8r
Incident Report Date: 2/13/2026
Publication Date: 3/5/2026
Incident Overview
On January 11, 2026, a consumer purchased a 3-pack of FEODSEW Smoke and Carbon Monoxide Detector combos through Amazon. A little over a month later, on February 13, 2026, a smoke event occurred in the consumer’s kitchen. An existing, older smoke alarm, located just one foot away from the newly installed FEODSEW unit, immediately sounded its alarm, alerting the household. Shockingly, the new FEODSEW unit remained silent, failing to detect the smoke or activate its alarm.
Concerned about this failure, the consumer retrieved the remaining two alarms from the 3-pack and brought them into the clearly smoky room. Despite the visible smoke, none of the three FEODSEW units detected the smoke or sounded an alarm. Further increasing the danger, the ‘Test’ buttons on all three units functioned, emitting a beep when pressed. This functionality provides a misleading sense of security, as the actual smoke detection sensors appear to be completely defective. The consumer expressed profound concern, noting that the failure put their small child and elderly father at extreme risk, emphasizing that a tragedy was averted only because an older, functional alarm was also present.
The product is explicitly labeled as meeting UL 217 (Standard for Smoke Alarms) and UL 2034 (Standard for Single and Multiple Station Carbon Monoxide Alarms) standards. However, the consistent failure of all three units to detect smoke during a real-world event strongly suggests that the safety certifications listed on the product may be unauthorized or counterfeit, as the sensors did not perform to the required legal safety standards.
Safety Concerns
The incident involving the FEODSEW WJ-SC07 Smoke and Carbon Monoxide Detector combo units presents severe safety concerns:
- Immediate Danger of Fire and Carbon Monoxide Poisoning: The primary function of these devices is to provide early warning of smoke from fires or the presence of dangerous, odorless carbon monoxide gas. A complete failure to detect these hazards means occupants would have no alert, allowing fires to grow uncontained or CO levels to reach lethal concentrations. This places all residents, especially vulnerable individuals like small children and the elderly, at extreme and immediate risk of injury, incapacitation, or death.
- False Sense of Security: The fact that the ‘Test’ buttons on the units produce an audible beep is particularly insidious. Consumers are trained to periodically press these buttons to ensure their alarms are functional. When the test button works but the actual detection sensors are defective, it creates a dangerous illusion of safety, leading users to believe they are protected when they are not.
- Non-Compliance and Counterfeit Certifications: The explicit labeling of the product with UL 217 and UL 2034 standards, juxtaposed with the complete failure of the units, strongly suggests that these certifications may be unauthorized, fraudulent, or counterfeit. Products that do not meet these rigorous safety standards are inherently unsafe and should not be sold or used.
- Property Damage Potential: Without an early warning system, fires can spread rapidly, leading to extensive property damage or complete loss of a home.
- Widespread Impact: Given that the consumer purchased a 3-pack and all three units failed, it is possible that an entire batch or production run of these detectors may be defective, affecting many other consumers who have purchased this model.
What Consumers Should Do
If you own a FEODSEW WJ-SC07 Smoke and Carbon Monoxide Detector combo or any similar product from the FEODSEW brand, immediate action is crucial:
1. Cease Use Immediately: Do not rely on these devices for your safety. Remove them from service at once.
2. Replace Defective Units: Immediately purchase and install new smoke and carbon monoxide detectors from a reputable brand that are clearly certified by recognized safety organizations like UL (Underwriters Laboratories) or Intertek (ETL). Ensure these new units are properly installed according to manufacturer instructions and local codes.
3. Verify Certifications: When purchasing new alarms, always look for the UL or ETL mark on the product packaging and the device itself. Be wary of products with questionable or unfamiliar certification marks.
4. Report the Incident: If you have experienced a similar failure or suspect your FEODSEW unit is defective, report it to the U.S. Consumer Product Safety Commission (CPSC) at www.cpsc.gov. Your report helps identify dangerous products and facilitates potential recalls.
5. Retain Evidence: Keep the defective units, packaging, and any purchase documentation. This information may be important for reporting or any potential future actions.
Manufacturer’s Response
No manufacturer response has been provided in the incident report.
Legal Help Available
If you or a loved one has been injured by a defective product or suffered property damage due to a product malfunction, you may be entitled to compensation. The experienced product liability attorneys at Farzan Law understand the complexities of defective product cases and can help you navigate the legal process. Farzan Law is a California based Personal Injury law firm focusing on protecting the rights of those wrongfully injured.
Licensed to practice law ONLY in California.
Contact us today for a free consultation: 424-325-3112
Our legal team has successfully represented clients in product liability cases involving defective appliances, automotive defects, medical devices, and consumer products. We work on a contingency fee basis, which means you don’t pay unless we win your case.
Note: This information is based on incident reports provided by the U.S. Consumer Product Safety Commission. If you find information that is incorrect, please contact us immediately so we can correct the post to reflect accurate information.
Disclaimer: The information provided in this post is not intended to be legal or medical advice. This article is based on publicly available incident reports. The incidents mentioned have not necessarily been independently verified or adjudicated.

