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Well, dealing with Purepower I think it worth to understand the APS specific. They did not impress me as an engendering shop but rather they are the long-ceremony type of operation. It is not that you comment on some kind of problem on the field and then you have a guy with skills and tools on the APS side confirm the problem and provide a solution. OI did not see it in APS. From what I saw they are slow to recognize the problems and incredibly slow to react to problems. I did not see in them that “grab money and run” attitude at all.  It is understandable as they looks like do not have engendering recourses or manufacturing facilities on site and as I feel the plant the makes the Purepower generators in China does not feel that APS is the most valuable client of them. Most likely it is a very large electronic producing company in China with a lot of manufacturing inertia and APS production is just a little pimple among their production.

So, the APS interprets complains how they can, and soon or later they schedules to implement the solutions in the production runs that might e coming… next year or so. Yes, it is not very transparent operation. Add to it a relatively superficial QA from APS and you get the picture.

However, it shall not be noted that the ASP-type regenerators has some added support complexity. It is not PS Audio PowerPlant that is less sensitive to load and not Avicenna that is absolutely insensitive to load. The class D regenerator is all about the load and the reaction of the regenerator to the load. So, the APS people have much more variables to deal with in support then one might imagine.

Interesting to note that I know a few installations that use the last revision of PPP2000. Some people do report that they experience one of another type of problem. I personally have zero problems and none of the effects that Adrian, JP and other report. We do have the same vintage of regenerators, so there are possibilities:

1)      My and your PP200 are in fact NOT the same

2)      There is something in my and you systems that make PP2000 to operate differently in my and your case.

I do not know the answers and frankly since I have none of the problems I do not particularly care to learn how to get one. If you do have problems then I would suggest taking a bit more proactive position then just a send then a few emails. You need to call them, call them again and to demand a satisfaction. Since you do not ask for anything else then a proper operation of your units then I do not call it harassment but rather your desire to get what you shell be given. I did not detect that APS people were overly frustrated with my complains or concerns as they were always back up with facts and they always engaged in the conversation about the problems. The result is different thing – you might wait but at least you have a record that you did complained during your warranty and you have a promises that it will be addressed in a week, month or year – the due date will be blown but they will sloooooowlwy look into the problems. Do call them again and remind that the problems are still not resolved, after all you need to address the problem more then they need to do it.

What I think APS need at this point is some kind of official public position regarding to what they do and a public knowledge based facility what user would self-debug own problems. I think they need to put a collaborative site out with support forum and KB. It would address all concerns and would prevent people runs across the various sites and to pick rumors. I have no idea why APS did not take yet as official stand regarding the stability of own products.

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