I have good news and here is what I have learned.
The system has been on for 36 hours now which means the battery and the transformer are both working. I also learned that the DSC must not work without a battery installed.
Here is the kicker... the reason the AC light is on is because you have...
DSC 1550 problems
I'll see if I can get some photos.
For now though.... a tech suggested to me that he believes that the DSC 1550 will not operate on wall power alone. He said that there is a good chance that you MUST have the battery installed or the system will not run.
I wonder if I...
Today I decided to get the house alarm working in a house. I bought a new battery and it will run the DSC 1550 just fine. The problem is that without the battery the DSC 1550 will not turn on. I went to the local Alarm company and picked up a new tranformer for the 1550 but it still will not...