Product troubleshooting
Trane 5TWR6018A1 troubleshooting and error codes
These codes are matched from manufacturer documentation to this model's series or control platform. Keep checks visible and safe; do not open electrical, refrigerant, gas, combustion, or sealed equipment compartments.
Source-backed code set
9 matched codes
| Code | Meaning | System area | Priority |
|---|---|---|---|
| 1 Flash | Ambient temperature sensor out of range | Outdoor ambient sensor | Service |
| 2 Flashes | Coil temperature sensor out of range | Outdoor coil sensor | Service |
| 3 Flashes | Low pressure switch is open | Pressure safety circuit | Urgent |
| 4 Flashes | Hard lockout | Defrost control lockout | Urgent |
| 5 Flashes | Soft lockout | Defrost control lockout | Service |
| 6 Flashes | Defrost cycles too close together | Defrost operation | Service |
| 7 Flashes | Timed defrost mode: ambient sensor or reversing valve check | Timed defrost operation | Service |
| 8 Flashes | Timed defrost mode: coil sensor or reversing valve check | Timed defrost operation | Service |
| 9 Flashes | Low ambient soft lockout | Low ambient operation | Service |
No matching error codes found.