What It Means
Normal operation with active call for cooling or heating.
Trane AC & Heat Pump
Trane AC & Heat Pump Error Code Green LED
(Medium Flash – 2x/second)
Troubleshooting guide for the Trane AC & Heat Pump system fault Green LED (Medium Flash – 2x/second).
ACLogics Fix Trane code Green LED (Medium Flash – 2x/second) See how ACLogics handles it → Fix Green LED (Medium Flash – 2x/second) step-by-step
Possible Causes
- Normal active operation.
- No system fault present.
Not sure which one it is — or if it's none of these? Try ACLogics today.
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.
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Full Diagnosis
Active call for cooling/heat (compressor running at capacity).
All Recorded Causes
Normal operation.
Verify Before Replacing Parts
- Confirm the exact Trane model family and ac and heat pump context before acting on a generic code description.
- Verify current draw, overload status, and control signal before condemning the compressor or drive, given that normal operation.
- Look for upstream conditions such as airflow or charge issues that may be pushing the compressor into protection, and check the next candidate on the list.
- After the correction, run the system long enough to confirm the ac and heat pump fault does not return under normal load.
Not sure which system this Trane code is on?
ACLogics has guided diagnostics for 36 Trane fault codes and asks the right questions to narrow it down.
