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Troubleshooting code

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Trane 4TWV0X24A1 Alert 180.03 troubleshooting

High power cutout. Use this page to document the issue and prepare for service. GreenFlow should handle diagnosis for electrical, refrigerant, lockout, or recurring conditions.

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What the code means

Alert 180.03: High power cutout

The Trane variable-speed alert table identifies HIGH PWR CO when drive output current exceeds an internal limit during supply-voltage protection.

System area
Supply voltage and drive load
Service level
Call GreenFlow

Safe checks before calling

  • Confirm the thermostat is on, set correctly, and calling for heating or cooling.
  • Check the air filter and visible return-air path for obvious airflow restrictions.
  • Look around the outdoor unit for leaves, snow, ice, or other visible obstructions without opening the cabinet.
  • Take photos of the thermostat, outdoor unit, nameplate, and any visible flash pattern before scheduling service.

When to stop and call GreenFlow

Call GreenFlow if the code repeats, the system is locked out, heating or cooling is not restored, there is ice buildup, electrical odor, unusual noise, or any issue involving pressure switches, sensors, wiring, refrigerant, reversing-valve operation, or warranty coverage.

Share the visible code, model and serial number if available, photos, current symptoms, and whether the issue affects heating, cooling, or both.

Alert 180.03 questions

What does Alert 180.03 mean on a Trane 4TWV0X24A1?

The Trane variable-speed alert table identifies HIGH PWR CO when drive output current exceeds an internal limit during supply-voltage protection.

What Trane message is associated with Alert 180.03?

The Trane source used for this page associates Alert 180.03 with "High power cutout". Match the visible display text, LED pattern, or alert wording to the exact code whenever possible.

What system area does Alert 180.03 point to?

This code is grouped under supply voltage and drive load in the source-backed Trane troubleshooting data.

Which Trane documentation supports this Alert 180.03 page?

Source-backed Trane 4T-V0-SF-1Q-EN Service Facts variable-speed alert-code table for 4TWV0/4TTV0 outdoor units.

Is Alert 180.03 related to combustion or furnace safety controls?

The Trane source row places this code in a combustion, ignition, limit, flame, or pressure-switch safety context. These codes should be interpreted from the exact equipment board and documented flash pattern.

Does Alert 180.03 involve a control, board, drive, or module?

The Trane source row points to supply voltage and drive load. Record the exact code and visible alert text before any reset so the control history is not lost.

What information should be captured for Alert 180.03 before clearing alerts?

Capture the exact code, any displayed alert text, the model and serial number, thermostat or control status, operating mode, symptoms, and photos of the display or LED pattern before the alert history is cleared.

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