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The ones I have are a version 1.02.0004 and we were getting random low air flow alarms and the heat would come on with no airflow.

what is wrong with vv550 that requires a reload?
I put in about 100 about a year ago, is there a problem in their operation that I need to take care of?

yeah, I did that with a few of them but this is medical building, hard to march into the exam rooms and lift ceiling tiles.

Well you can isolate the specific unit also. Pull it off the link and hook directly to it. Flash it then put it back on the link. But that requires even more time since you have to get at each box. This will help with the errors.

I tried 5 at a time , 2 at a time and one at a time and get errors with all tries.

Well with Rover 7 you can do maybe 7-8 at a time. If you do much more than that it errors out.

Unfortunately i know nothing that will help you. Unless someone else has had better luck than me with your version you probably only good for 1 at a time.

Trane, Rover SP5 and Flash DL WIZARD

I am in the painful process of flashing a buttload of VV550's with rover.I am curious if anyone else has problems doing this or if I have a cable, card problem. I can't do more than one device or I lose all the configs, I can't hit the back button if I do one device, so have to find all devices everytime, and even doing one device I lose configs sometimes. This is an extremely painful process and I couldn't imagine doing a 100 in a building.Thoughts?