# ADT Recalls Carbon Monoxide Detectors Due to Failure to Properly Indicate End of Useful Life
> **CPSC recall** · 2011-10-20 · 12701 · 1 injuries reported
## Recall
- **Number:** 12701
- **Date:** 2011-10-20
- **Injuries reported:** 1
## Products

CO 1224T Carbon Monoxide (CO) detectors

## Hazards

When the CO detectors reach the end of their useful life, they should send a signal to make a sound in the home alarm panel alerting consumers it is time to replace them and a signal to ADT's alarm monitoring center. Some of the detectors were not wired properly to the ADT alarm system, resulting in the sound not going off in the home alarm panel and no signal to the ADT alarm monitoring center at the end of its useful life. Not replacing a CO detector at the end its useful life poses a CO poiso

## Remedies

Repair

## Manufacturer(s)

Sensor System, of St. Charles, Ill.

## Retailer(s)

Installed by ADT between October 2008 and December 2010 as part of home security systems.

## Country of manufacture

China; Mexico

## Description

This recall involves hard-wired carbon monoxide detectors with model CO 1224T installed by ADT. The model number is behind the front cover.

## Source
- [CPSC recall page](https://www.cpsc.gov/Recalls/2012/ADT-Recalls-Carbon-Monoxide-Detectors-Due-to-Failure-to-Properly-Indicate-End-of-Useful-Life)
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