Important Notice: This tool provides general troubleshooting guidance only and is intended to help describe symptoms to a qualified technician. It does not constitute professional repair advice. JMTechWorks and JMTechBoy are not liable for any damage, injury, data loss, or equipment malfunction resulting from actions taken based on this tool's output. Always consult a certified dental equipment technician before attempting any repair. Equipment under warranty should only be serviced by authorized personnel.