Office: Level 1 6 Kenyon Lane Fairfield NSW 2165 Phone: 1300 1234 80 How do you reset the dsc lcd5501z without knowing the existing code? - Answered by a verified Electronics Technician. I have a DSC LCD5501Z powerseries envoy system that came with the house we bought 3 years ago. The alarm system is probably 8-9 years old. LCD5500(Z) - PowerSeries Liquid Crystal Display Keypad Troubleshooting: 1. The keypad will appear to be non-functional if it is assigned to partition that has not been enabled or if it is programmed for global operation. Press and hold the [#] key for two seconds to put the keypad into 'global' mode, then select partition 1 (called Is the yellow 'trouble' LED lit on your alarm keypad? DSC uses LED codes to indicate trouble details for all keypads that don't have an LCD readout display. The following applies to all PowerSeries panels, which include PC1616, PC1832, PC5010, PC5015 and others. To view system troubles, press: [*][2] Service Required (press [1] for more How to Troubleshoot Problems on the DSC Home Security System By Tricia Goss . SAVE; You are concerned with the security of your home and the safety of your family. You invested in a DSC Home Security System because the company has been in business for over 30 years and has a reputation for This video show you how to program zone definitions for the DSC Alarm system using the PK5501 keypad. Additional DSC Alarm Videos: Changing installer code: h Get in-depth information on DSC LCD5501Z Electronic keypads including detailed technical specifications. Besides, view the entire catalog of DSC LCD5501Z Electronic keypads DSC LCD5501Z Electronic keypads with specifications of other products from our extensive catalog from leading manufacturers of Electronic keypads Source any electronic security product from over 20,000 products in the When the keypad display on your DSC PowerSeries Home Security Keypad reads "1" the emergency backup battery in the control panel is low and need