Trane Furnace: Reading and clearing fault history – Trane S-Series IFC

Reading and clearing fault history - Trane S-Series IFC on a Trane furnace: How to pull up stored faults, wipe them and reset the furnace control to factory values with the Menu and Option buttons.

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Applies to: Trane S8V2 (80%, 2-stage, variable speed, Link) and S8B1 / S8X1 / S8X2 (80%, 1- and 2-stage)

Common causes of reading and clearing fault history - trane s-series ifc

• Intermittent faults that are no longer active
• Settings changed by others

How to fix reading and clearing fault history - trane s-series ifc: step by step

1. WARNING: Touch only the Menu and Option buttons on a powered board.
2. Active faults: scroll with Menu to 'err'. Stored faults: scroll to 'L6F' and press Option to step through the last 6.
3. To erase history: inside L6F hold Option 5 seconds or more; three dashes flashing 3 times confirm it is cleared.
4. Factory defaults: with the display at idle, press Menu and Option together for 15 seconds; 'FD' flashing 3 times confirms.
5. While running, the display alternates mode and airflow every 2 seconds; an E-code flashes in between if a fault is active.

If the unit shows an error code, look it up: Trane Furnace codes

Models

Trane S8B1

S8B1A026M2PSABS8B1A040M3PSABS8B1B040M2PSABS8B1B060M3PSABS8B1B060M4PSABS8B1B080M4PSABS8B1C080M5PSABS8B1C100M5PSABS8B1D120M5PSAB

Trane S8V2

S8V2A040M3PCBS8V2A040M3PDS8V2B060M4PCBS8V2B060M4PDS8V2B080M4PCBS8V2B080M4PDS8V2C080M5PCBS8V2C080M5PDS8V2C100M5PCBS8V2C100M5PDS8V2D120M5PCBS8V2D120M5PD

Trane S8X1

S8X1A026M2PSABS8X1A040M3PSABS8X1B040M2PSABS8X1B060M3PSABS8X1B060M4PSABS8X1B080M4PSABS8X1C080M5PSABS8X1C100M5PSABS8X1D120M5PSAB

Trane S8X2

S8X2A040M3PSABS8X2B060M3PSABS8X2B060M4PSABS8X2B080M4PSABS8X2C080M5PSABS8X2C100M5PSABS8X2D120M5PSAB