Trane Furnace Error Code 2 Flash
Flame lost or ignition failure - flame is off when it should be detected (RECYCLE) or furnace tries to light but no flame is detected (RETRY); 10 recycles or 3 ignition attempts in a single call for heat results in 1-hour soft lockout.
SourceTrane XC80 Furnace - Service Manual: Variable Speed 2-Stagep. 30, 38
The full 2 Flash procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
SourceTrane XC80 Furnace - Service Manual: Variable Speed 2-Stagep. 30, 38
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Where this code is documented
3 manuals in the MyPros+ library document this code for Trane furnace.
Models covered by the manuals that document this code
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