Siemens Recalls Temperature and Humidity Sensors for Schools, Hospitals and Other Buildings Due to Fire Hazard

This recall involves wall-mounted Q-series sensors that control heat, air conditioning and humidity inside commercial buildings, hospitals and schools. The sensors come in three designs: a blank cover, a cover with a digital display screen or a cover with a digital display screen and door. The sensors are either white or beige and have a Siemens, Talon, Staefa Control System, Staefa Control System/Talon logo or no logo. The recalled model numbers begin with QAA and QFA, and one with SB1. They are: QAA 2060, QAA 2063, QAA 2072, QAA 2073, QFA 2000, QFA 2001, QFA 2060, QFA 2071, QFA2072, QFA 3000, QFA 3001, QFA 3060, QFA 3071, and SB1-0834. The model number is located on the sensor's circuit board inside the unit.