System Diagnosis
Contactor Shorted. Compressor voltage sensed when no demand for compressor operation exists. Contactor may be stuck closed or there is a wiring error.
Bryant | Default
Error Code 73
Troubleshooting guide for the Bryant Default system fault 73.
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
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 73
Report
Generate professional PDF