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The 24VDC +/- was reversed on the first 24v connection. When I moved it to the other 24v terminal it powered up.

I have an EST-3 system with 2 panels and 3 ANNCPUs. Upon arrival main panel says Network Panel 3 Fault 2 annunciators were powered off of the main panel 3-PPS that has 4 SDDC cards. I was informed that the panel had stated that the panel had read Aux Pwr Ovld Ckt before they move the power to the po...

Per the EST3 Installation Manual it can also be the following.

2. Defective wiring
3. Defective device

Let us know what you find.

SIGA2 Discontinuance Product Bulletin

Anyone have an excel type of file for the EST-3x strip annunciators?

I agree Old fire alarm guy. The quote I received is around $3800 plus the travel and expense of the UL guy to go to my non-UL panels and write them up if they are not up to their standards. What concerns me is that they are now a for-profit company and it just seems that it is a bit of a money grab ...

Ramifications of using Shielded Wire and not tying it through. I am trying to find a white paper or some formal write up of the issues that can about from not dressing shielded wire properly (tying the shields together). While I have seen the issues with not using it when called for. This situation ...

Anyone in an area where they are required to be UL listed? I am looking into it for my company. Don't see how it would be beneficial for a small company given the initial investment of around $8,000 and a yearly fee of $3,300 to keep it up. Some jurisdictions require this for the monitoring company ...

Anyone have a DOS version of the EST2 Software?