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Trane Service Manuals & Error Codes
65Service Manuals
87Error Codes
5Appliance Types
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Top Error Codes for Trane
CodeTypeDescription
1FurnaceFlame sensed when no flame should be present.10FurnaceGas valve energized without call for heat.10 FlashFurnaceCommunication fault - blower motor no COMM response (BLW COMM ERR), inducer...10 REDFurnaceGas valve energized without call for heat.11FurnacePrimary limit has been open for more than 5 minutes, check blower.12FurnaceIgnitor relay failure internal in board. Replace IFC.12 REDFurnaceIgnitor relay failure internal in board — replace IFC.1 Flash (Red)FurnaceNormal LitePort data transmission — 1 flash every 20 seconds indicates normal...1 GREENFurnaceStandby mode or call for cooling.1 GREEN / 1 AMBERFurnace1st stage call for heat.1 REDFurnaceFlame sensed when no flame should be present.2FurnacePressure switch is stuck closed.2 FlashFurnaceFlame lost or ignition failure - flame is off when it should be detected...2 GREEN / 1 AMBERFurnace2nd stage call for heat.2 REDFurnacePressure switch stuck closed.