Trane Error Codes
12 Error Codes
| Code | Description | Severity |
|---|---|---|
| 2 | System Lockout | Warning |
| 3 | Pressure Switch Error | Warning |
| 4 | Open Limit Switch | Warning |
| 5 | Flame Sensed With Gas Off | Warning |
| 6 | Polarity/Grounding Error | Warning |
| 7 | Gas Valve Circuit Error | Warning |
| 8 | Low Flame Signal | Warning |
| 9 | Igniter Problem | Warning |
| FAST-FLASH | Active Call for Heat | Warning |
| SLOW-FLASH | Normal Operation (Standby) | Warning |
| STEADY-OFF | No Power | Warning |
| STEADY-ON | Control Board Problem | Warning |