Trane xl1050 firmware update
3 hours ago · This code usually means a problem only when the furnace is constantly calling for heat and not responding to your thermostat's signals. The latest ones are on Jun 20, 2021. 99. 4. Update your firmware + -. 01 results have been found in the last 90 days, which means that every 7, a new Trane Alert Code Sop 004.