Product troubleshooting
Trane S8X1C100M5PSC 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
15 matched codes
| Code | Meaning | System area | Priority |
|---|---|---|---|
| E01 | Internal control failure | Integrated furnace control | Urgent |
| E2.1 | Retry exceeded; flame never sensed | Ignition and flame sensing | Urgent |
| E2.2 | Recycles exceeded; established flame was lost | Ignition and flame sensing | Urgent |
| E2.3 | First-stage gas valve not energized when expected | Gas valve control | Urgent |
| E3.1 | Shorted first-stage pressure switch | Pressure switch circuit | Urgent |
| E3.2 | Open first-stage pressure switch | Pressure switch circuit | Urgent |
| E04 | Open limit circuit | Thermal limit and safety circuit | Urgent |
| E05 | Flame detected when it should not be present | Flame sensing | Urgent |
| E6.1 | Reversed voltage polarity | Power and grounding | Urgent |
| E6.2 | Bad grounding | Power and grounding | Urgent |
| E6.3 | Igniter relay or open igniter fault | Ignition circuit | Urgent |
| E7.1 | Gas valve energized when it should be off | Gas valve control | Urgent |
| E08 | Low flame current | Flame sensing | Urgent |
| E11 | Internal gas valve relay or valve error | Gas valve control | Urgent |
| E12 | Open low-voltage fuse | Low-voltage protection | Urgent |
No matching error codes found.