Commax Dp-ra01 Installation Manual Jun 2026

For electricians and installers requiring exact technical data:

For single-family homes (1-door 1-monitor): Set all DIP switches to OFF. commax dp-ra01 installation manual

| Symptom | Likely Cause | Fix from Manual | | :--- | :--- | :--- | | No power, no screen | + & C reversed or loose | Check polarity. Red to +, Black to C. | | Video is snowy or rolling | V wire poor contact or too long | Re-crimp V terminal; shorten cable to <50m. | | Can hear but no video | V wire disconnected | Use multimeter to check continuity on V line. | | Won’t ring (call button) | A wire broken | Connect Green to A at both ends. | | Door unlock doesn’t work | Wrong lock wiring | Ensure lock power is separate; DP-RA01 only sends dry contact. | | Static in audio | Ground loop | Verify C terminal is solidly grounded at PSU. | | | Video is snowy or rolling |

Installation involves connecting the room station to the door unit and an optional electric door strike. כומפניקס Mounting the Station Separate the mounting bracket from the handset. | | Door unlock doesn’t work | Wrong

Before closing your junction box and cleaning up, verify the following against the final checklist:

Are you planning to connect an ? Share public link