MachineDown

HVAC & Air Conditioning

E02: High pressure protection

Trane RTAC-170

Safe preliminary checks permitted

Documented meaning

Discharge pressure exceeded the protection limit.

Model variants covered: see the model record

Documented possible causes

  • · Condenser coil fouled
  • · Fan or fan motor fault
  • · Refrigerant charge or non-condensables

Safe preliminary checks

  • · Clean or clear the accessible condenser face

Professional service required

  • · Clean or clear the accessible condenser face
  • · Confirm airflow is not blocked
  • · professional_only

Stop and call a professional if you see

  • · Burning smell, smoke, water on live parts or a tripped protective device
  • · Unusual noise, vibration or a refrigerant leak