CPSC campaign 18731
Hazard
The HVAC's humidimizer fan can fail to shut off when a connected smoke detector is tripped, posing a fire hazard.
Remedy
Purchasers should immediately contact their Carrier dealer for a free repair, which consists of free replacement and installation of the electronic control board. The firm is contacting all known purchasers.
The text above is quoted verbatim from the CPSC record. Confirm the affected units and the remedy with the manufacturer or CPSC. Recall data may be incomplete, delayed, or superseded.