Trane Xe90 Troubleshooting
Over the past few weeks the blower fan has been getting. 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. System blowing air with no heat in winter.
Disconnect power to both the indoor and outdoor.
