Ensure the handset is properly seated. If it continues, check if the volume pot on the side of the unit is set too high.
Commax Download Center (Search "DP-RA01") ManualsLib Archive: Commax DP-RA01 Service Manual ManualsBrain Database: DP-RA01 User Guides 🔌 Installation and Wiring Guide If you cannot access the PDF, 1. Wiring Requirements commax dpra01 installation manual link
Connect these to the corresponding terminals on the outdoor unit (door camera) or the master room station. Ensure the handset is properly seated
Do not install the unit in areas with high humidity or direct sunlight, as this can degrade the internal circuitry. 🔍 Troubleshooting Common Issues commax dpra01 installation manual link
Since it is non-polar, the order of the two wires does not matter, which prevents damage during installation. 2. Connection Diagram