When the Door is Open - 4 Rapid Beeps Sounds & Code is Displayed Last updated Save as PDF Possible Cause What to Do Fault has been detected Record the code on the control panel, you will need a Service Technician to assist with this - Click Here to schedule a visit. Still Need Help? You may need assistance from one of our qualified service technicians. Click on the button below to schedule a visit. BOOK A SERVICE or Contact Us