Trane Gas Furnaces: TUX2/TDX2
Re: Furnace Lockout Codes / Fault Codes
INTEGRATED FURNACE CONTROL - ERROR CODES | |
On | Internal GV error or low TH voltage |
Off | Check Power |
2 Flashes | Lockout due to re-tries (flame failure) |
3 Flashes | Pressure switch fault (open or closed) |
4 Flashes | Open limit circuit |
5 Flashes | Flame sensed with no call for heat |
6 Flashes | Reversed polarity, low voltage or poor ground |
7 Flashes | Gas valve circuit error |
8 Flashes | Low flame signal |
9 Flashes | Open inducer limit |
10 Flashes | Inducer communication fault |