20 Most Recent GE / Caddx Networx NX 8 Control Panel Fastpack with NX 1308E LCD Keypad NX8FP - Page 2 Questions & Answers

Here is a very easy to follow video tutorial that may help you. You can get a replacement battery from here Simon XT GE Security Security Alarm Battery 6V 1 2AH

Step 1. With the cap closed, set the numbered dials to the combination line. The factory preset combination is "000". Step 2. While maintaining the combination in place, rotate the "RESET" dial indicator beneath the letters approximately 90 degrees to line-up with the combination line. If the correct combination is not set, the "RESET" dial will not rotate. Note: Using excessive force can damage the dials. Step 3. Set the new combination while maintaining the position of the "RESET" dial. Step 4. While maintaining the combination in place, rotate the "RESET" dial back to the original position. The combination has been changed.

There are modules that you can add to the system. What is the model of the system that you have and what add ons are present? One of those add ons is having a problem.