In order to change the DSC Powerseries PC1555 system master code, you will need to know the current 4-digit master code. The default master code for the PC1555 is 1234. Go to your keypad and hit * 5 > current 4-digit master code > 40 > New Master Code > #.
The DSC PC1555 is no longer manufactured by DSC so if you are looking to upgrade to a new alarm panel you can use one of the new DSC panels such as the DSC PC1616, PC1832 or PC1864 security systems.
DSC Powerseries PC1555 FAQ's
