Home Security Systems
Home Security System Repair Questions? Ask a Technician.
Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
The programming can be done by the PK5500 LCD keypad or by T-Link Console software.
As for the communication error, it might be the number dialed by the system is invalid. Also, has the phone line service changed, with the restoration of the phone line service line? was it analog phone line service before?
And also, was the alarm not showing a communication error, before the lines were shut off, for sure?