Trane XT300C User Manual
Page 61
61
Pub. No. 22-5127-04
69-1214
Troubleshooting Guide (continued)
Symptom
Possible Cause
Action
System on indicator
(flame=heat,
snowflake=cool) is lit, but
no warm or cool air is
coming from the
registers.
Heating/cooling equipment turns on
the fan when the equipment has
reached the setpoint.
Wait a minute after seeing the flame or snowflake and then check
the registers.
System on indicator reads
Filter and backlight is
flashing.
Filter expired.
Refer to the Filter Indication section.
Outdoor temperature not
displayed or is incorrect.
Filter expired.
Press
twice for outdoor temperature when filter expiration
shows on display.
Refer to the Filter Indication section.
Installer did not activate this option.
Outdoor sensor is connected
incorrectly.
Contact installer or service technician.