• Jul 8, 2025 trane tam4 error codes -------|-------------------| | E1 | Power Supply Fault | Voltage irregularities, power surges | Check voltage supply, inspect wiring | Verify power input, replace power supply if needed | | E2 | Sensor Failure | Faulty temperature or Trane Tam4 Error Codes 7 pressure sensors | Test sensors BY Lorenzo Skiles