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Troubleshooting code

Back to all 5TWX7024A1 error codes

Trane 5TWX7024A1 d5 troubleshooting

MOC AC input overcurrent de-rate. 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

d5: MOC AC input overcurrent de-rate

Trane ODR-SVN003D-EN multi-speed status/fault tables for 5TWX7 heat pumps with ComfortSeek identifies d5 as MOC AC input overcurrent de-rate.

System area
Outdoor drive current
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.

d5 questions

What does d5 mean on a Trane 5TWX7024A1?

Trane ODR-SVN003D-EN multi-speed status/fault tables for 5TWX7 heat pumps with ComfortSeek identifies d5 as MOC AC input overcurrent de-rate.

What Trane message is associated with d5?

The Trane source used for this page associates d5 with "MOC AC input overcurrent de-rate". Match the visible display text, LED pattern, or alert wording to the exact code whenever possible.

What system area does d5 point to?

This code is grouped under outdoor drive current in the source-backed Trane troubleshooting data.

Which Trane documentation supports this d5 page?

Source-backed Trane ODR-SVN003D-EN multi-speed status/fault tables for 5TWX7 heat pumps with WeatherGuard and ComfortSeek. Local products are matched by documented 5TWX7 base model family.

Does d5 involve a control, board, drive, or module?

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

What information should be captured for d5 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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