Hospital/Care Facility, Hospital/Medical Clinic Medical facility fire stopped by fire sprinkler system (Sussex, WI) April 25, 2013 viking210 A fire that began in a storage room at Quad Med was likely caused by the malfunction of a heating element. When fire crews arrived, the fire had been put out by the fire sprinkler system. The responding fire department reported that the fire sprinkler limited the amount of damage caused by the fire.