Severity
Moderate
Fyrnetics Limited of Hong Kong, China issued this CPSC recall on August 13, 2014. Classified as Moderate severity. Approximately About 141,000 in U.S. and 13,000 in Canada units are affected. The recall was issued because: Radio frequency interference can cause the smoke detectors to fail to alert consumers of a fire.. This recall notice is sourced from official CPSC enforcement records. Below you will find the complete product description, hazard information, remedy instructions, and related recalls from the same manufacturer or product category.
This CPSC action (record #14255) was formally reported on August 13, 2014. It is classified under Moderate severity, with a current status of Active. Fyrnetics Limited of Hong Kong, China is listed as the recalling firm. Federal records indicate About 141,000 in U.S. and 13,000 in Canada units are affected, placing this recall in the million-unit bracket that typically triggers nationwide consumer alerts and retailer sweeps.
The documented reason for this recall is: Radio frequency interference can cause the smoke detectors to fail to alert consumers of a fire. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. The remedy documented by the agency is: Customers should immediately contact their security or fire system provider to determine if any of their units are included in the recall. If so, they will receive free replacement and free installat… — consumers holding this product should act on that instruction rather than relying on general guidance.
To put this record in context, PlainRecalls indexes 83,949 recalls across the FDA, CPSC, NHTSA and USDA FSIS going back to 1995. Within the same product category, the database holds 6 closely related recalls, of which 6 were also issued by CPSC. That clustering is a signal — repeated actions in a narrow category often indicate a systemic quality-control issue, a supplier-wide contamination, or a design defect that has propagated across product lines. This recall is roughly 12 years old; older recalls can remain relevant because many units enter resale, rental, and secondary-market channels where the original warning never reaches the end user. Always cross-check the recall number against the official agency page before relying on any summary.
Severity
Moderate
Units Affected
About 141,000 in U.S. and 13,000 in Canada
Related Recalls
6
6 from same agency
This recall involves thirty-three models of the 400 and 500 series Edwards (ESL)-branded and Interlogix smoke detectors hard-wired into a security system. Edwards and Interlogix smoke detectors are identical. The 2-wire or 4-wire detectors are round, white and measure 6 inches across by 2 inches high. The smoke detectors were made for professional installation and used primarily in commercial buildings, schools, hotels/motels, apartments, dormitories and homes as part of the fire alarm system. Recalled units have date codes 13084 through 14059 with the first two digits representing the year, for example: 13 for 2013 and 14 for 2014; and the last three digits representing the day of the year, for example: 084 is the 84th day of 2013, which is March 25, 2013. The initials ESL, the date code and one of the following model numbers are printed on a label on the back of the detector's cover and on the product's packaging. 400 series: 429AT, 429C, 429CAD, 429CRT, 429CST, 429CT, 429CTAD, 449AT, 449C, 449CRT, 449CSRH, 449CSRT, 449CST, 449CSTE, 449CT and 449CTE. 500 Series: 511C, 518C, 521B, 521BXT, 521B-10PKDMP, 521B-10PKG, 521BXT-10PKG, 521BXT-DMP-10PKG, 528B, 528CRXT, 541C, 541C-10PKG, 541CXT, 541CXT-10PK and 548C.
Radio frequency interference can cause the smoke detectors to fail to alert consumers of a fire.
Customers should immediately contact their security or fire system provider to determine if any of their units are included in the recall. If so, they will receive free replacement and free installation of new smoke detectors. Consumers should not take the alarms out of service until the replacement alarm has been installed. Only professional installers should remove and replace these units.
| Attribute | Value |
|---|---|
| Agency | U.S. Consumer Product Safety Commission |
| Severity class | Moderate |
| Status | Active |
| Recall number | 14255 |
| Date reported | August 13, 2014 |
| Date initiated | August 13, 2014 |
| Recalling firm | Fyrnetics Limited of Hong Kong, China |
| Units affected | About 141,000 in U.S. and 13,000 in Canada |
| Distribution | Not disclosed |
Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.
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Product recalls are issued when a manufacturer, distributor, or federal agency determines that a product poses a safety risk to consumers. This recall is classified as moderate severity, indicating the product may cause temporary or medically reversible health consequences. Across PlainRecalls, we track 83,000+ recalls from FDA, CPSC, and NHTSA to help consumers stay informed and act quickly when safety issues arise.
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Data as of 2025. Source: FDA, CPSC, NHTSA, USDA FSIS federal recall databases.
Recall information is sourced from official federal agency databases. Always verify recall details with the issuing agency for the most current status. This information is for research and awareness purposes only.
Read our methodology — how this data is sourced, computed, and verified.
Source: Federal recall agencies (FDA, CPSC, NHTSA, USDA FSIS) Aggregated multi-agency recall feeds · 2024 Recall data normalized across federal agency feeds; severity classifications follow each agency's own taxonomy (FDA Class I/II/III; CPSC, NHTSA, USDA FSIS).