How to correct the DS7400 Keypad beeping once every 10 seconds.

• 1. Master code + #80
• 2. Enter and exit program mode - Default  code to do this is 9876#0
• 3. Try cycling power to the panel.

For DS7400XI VER. 2, 3, and 4 panels:

• 1. Master Code + system reset or
• 2. Try entering programming mode then exiting programming mode  Default  code to do this is 9876#0 or
• 3. Try cycling power to the panel.