How do I fix Trane error code Red 17 Flashes?

Inspect and clean the outdoor condenser coil and ensure the condenser fan is operating. After the unit cools, restore power. If the code returns, call a technician to check refrigerant pressures and the high-pressure switch.

Trane | AC and Heat Pump

Error Code Red 17 Flashes

Troubleshooting guide for the Trane AC and Heat Pump system fault Red 17 Flashes.

Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.

System Diagnosis

High-pressure cut-out fault. (Error 80 on control display.) The high-pressure switch tripped due to excessive refrigerant pressure.

Potential Causes & Solutions

Inspect and clean the outdoor condenser coil and ensure the condenser fan is operating.
After the unit cools, restore power.
If the code returns, call a technician to check refrigerant pressures and the high-pressure switch.

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