At 21:03 hours the auto alarm was dispatched for 300 Willow Valley Lakes Dr at Willow Valley Lakes. Tower 50 arrived and was met by Security reporting a fire in the Wood Shop. The crew from the Tower proceeded to the wood shop where they encountered a smoke condition from a minor fire with a sprinkler head activated. The assignment was upgraded bringing additional units for support. Crews worked together ventilating the building and cleaning up the water from the sprinkler head. The last units cleared the scene at 23:13 hours.