Troubleshooting code
Back to all 5TDM5D06AC41 error codes
Refrigerant sensor communication error. Use this page to document the issue and prepare for service. GreenFlow should handle diagnosis for electrical, refrigerant, lockout, or recurring conditions.
What the code means
Trane AHR-SVX008A-EN LED indicator system-failure table for 5TDM5 air handlers identifies refrigerant leakage indicator light out with no flash count as a refrigerant sensor communication error.
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.
Trane AHR-SVX008A-EN LED indicator system-failure table for 5TDM5 air handlers identifies refrigerant leakage indicator light out with no flash count as a refrigerant sensor communication error.
Check thermostat status, filter condition, visible outdoor-unit obstructions, and take photos of the flash pattern and nameplate. Do not open electrical panels or refrigerant-side components.
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.
GreenFlow can review the code, photos, equipment access, and symptoms before scheduling the right next step.
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Try another nearby city or contact GreenFlow to confirm service availability.
They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.
They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.
Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.
Andrey always does a great job.
