Trane Xe90 Troubleshooting
Weboct 19, 2018 · i currently have a trane xe90 (92%) furnace with an xe900 a/c unit, both are about 18 years old. Webdisconnect all electric power to the indoor air handler or furnace before removing access panels to perform any maintenance. Simple diagnostic steps followed to ultimately determine that it was an igni. Over the past few weeks the blower fan has been getting. Disconnect power to both the indoor and outdoor.
System blowing air with no heat in winter.
