Trane Furnace XT80 Diagnostic LED Code
Find Your Trane Furnace XT80 Diagnostic and error LED Code here.
Trane XT80 furnace provides a LED on its integrated furnace control for quick diagnostic. Here is its diagnostic code error codes:
Coding
Code
House Rental
Troubleshoot
Air conditioning units
Check
High Efficiency Single Stage Upflow/ Horizontal
and Downflow/ Horizontal Gas-Fired Furnaces,
“Fan Assisted Combustion System”
*UD1A040A9H21B
*UD1B060A9H31B
*UD1B080A9H31B
*UD1C080A9H41B
*UD1B100A9H31B
*UD1C100A9H51B
*UD1D120A9H51B
*UD1D140A9H51B
*DD1B060A9H31B
*DD1B080A9H31B
*DD1C100A9H51B
*DD1D120A9H51B
Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
INTEGRATED FURNACE CONTROL ERROR FLASH CODES
Flashing Slow — Normal – No call for Heat Flashing Fast — Normal – Call for Heat Continuous ON — Replace IFC
Continuous OFF — Check Power
2 Flashes — System Lockout (Retries or Recycles exceeded) Draft Pressure Error – Possible problems:
3 Flashes —
a) Venting problem
b) Pressure switch problem c) Inducer problem
4 Flashes — Open Temperature Limit Circuit
5 Flashes — Flame sensed when no flame should be present
6 Flashes — 115 volt AC power reversed, poor grounding or system voltage too low
7 Flashes — Gas valve circuit error
8 Flashes — Low flame sense signal
9 Flashes — Check Ignitor Circuit and Line “N” to 24VAC “Common” voltage (= 2 volts) [possible grounding problem]
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