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Theres a small lithium cell that keeps the memory

Take the cover off. Maybe the display cable got disconnected when they were purging it.

All the ones I have bought had the ac and dc power cable. The dc cable is just a long pigtail. If you look at the listing pics and see the two cables then you should be good. Slave connectors are a common item easy to get.

Just wire the dc power cable to a slave connector

I need to get some batts for mine. I was hoping to find something lithium ion or at least a bit more modern and lighter than old style gel cells. I don’t know if the internal charger will work with something different though.

Did you weigh the refrigerant going in? It’s a bit hard with such a small amount. The compressor is quiet. You can put your hand on it and feel it going. Dosnt make much noise though. Once it’s charged and the compressor is in you can feel heat coming off the heat sink.

It took me a while to get it charged. After running vacuum for 2 hours I waited an hour to make sure it held a vacuum then started to charge it. I put my valve in the same spot the original hole was. But it’s the high side. So it took in around 5oz of refrigerant then it wouldn’t take any more...

A line. Only thing that will be a pain is getting a clamp on valve to fit with the cover back on.

Yup little hole in one of the lines. No service valves. Looks like they used one of those quick valves you can clamp onto a line.

Strange. A high end piece of equipment like this would need to be serviceable.

I just got one in its drained too. Havent opened it to see the connections. I was just going to vac it down and charge it to spec. Thanks for the details. I have some older programs I have been able to run in win10. You can set it for xp compatibility mode and the program will usually work.

I have a good used one.