What to do if the door latch cannot be remotely opened by the Zartek CDP-801 Intercom System handset?
- MmurphyryanAug 13, 2025
If the door latch cannot be remotely opened by the Zartek Intercom System handset, it might be due to a few reasons. First, ensure that the door lock opening button 13 is activated. Also, verify that there is a DC supply to the Caller unit. Finally, check the connections at the terminal block to ensure they are properly connected.