System Diagnosis
Demand configuration fault.
Trane | AC and Heat Pump
Error Code Red 16 Flashes
Troubleshooting guide for the Trane AC and Heat Pump system fault Red 16 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.
Potential Causes & Solutions
- Confirm dip switches or firmware settings match the installation manual.
- This often requires a professional to reconfigure the system.
Diagnose with Confidence
Use the ACLogics AI assistant to walk through this error code step-by-step.
Included in Diagnosis Workflow
Ask
Upload nameplate & symptoms
Diagnose
AI identifies error Red 16 Flashes
Report
Generate professional PDF