Simplex Fire Alarm Control Panels Recalled by Tyco Safety Products Westminster Due to Failure to Alert Monitoring Centers
Recall at a glance
- Recall number
- 11-721 (CPSC)
- Recall date
- February 8, 2011
- Brand
- Tyco Safety Products Westminster
- Category
- Smoke alarms and home safety
- Products
- Simplex Fire Alarm Control Panel
- Hazard
- Failure to Alert Monitoring Centers
- Hazard type
- Fire and burn
- Remedy
- New Instructions
- Units
- About 540
- Made in
- United States
- Last updated by CPSC
- July 8, 2016
What was recalled
The recalled fire alarm panel is the Simplex 4100U-NXP panel configured for third party monitoring and running software revision 14.01. The words "Simplex," "4100U" and "Fire Control" appear on the fire alarm's front panel. The software revision number can be identified by pressing the "Menu" key on the panel keypad, selecting "Show Software Revision Level" and pressing "Enter."
Is my product affected?
Compare your product with the details below, including model numbers where listed.
- Simplex Fire Alarm Control Panel · About 540 units
Photos from the recall notice

Where it was sold
Companies named in the notice: Distributed by SimplexGrinnell from May 2010 to September 2010 for between $10,000 and $20,000.; Tyco Safety Products Westminster of Westminster, Mass..
Injuries or incidents reported
The firm has received 2 reports of alarms failing to alert monitoring centers. No injuries have been reported.
Consumer contact
For more information, contact SimplexGrinnell toll-free at (866) 565-6322 or at the firm's website at www.simplexgrinnell.com
Recall history and context
Since 2019 CPSC has recorded 20 recalls in the smoke alarms and home safety category, 4 recalls of them in the past 12 months.
Frequently asked questions
What was recalled?
Simplex Fire Alarm Control Panel (About 540 units). 01.
Why was it recalled?
CPSC lists the reason as: Failure to Alert Monitoring Centers.
What should I do if I own one?
Building managers should contact SimplexGrinnell for a free software upgrade. SimplexGrinnell is contacting its customers directly.
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Source: U.S. Consumer Product Safety Commission recall data, shown as published and last updated by CPSC on July 8, 2016. Details can change; the official notice is the authority. If your product may be recalled, stop and read the notice before deciding what to do. Terms and disclaimer.