I quite impressed how many of members who purchased this crappy power supply is going to repair it by yourself.
I really do not understand why not to return unit to Rigol distributor, this will make the pressure on them.
Quote from this page on cognitive dissonance:
"(...) A more common example of cognitive dissonance occurs in the purchasing decisions we make on a regular basis. Most people want to hold the belief that they make good choices. When a product or item we purchase turns out badly, it conflicts with our previously existing belief about our decision-making abilities. (...)"
Also see irate comments directed at anyone trying to discuss the bigger issues behind these minor technical problems.
I think people get frustrated because of assumptions like in this post.
For example, what are the "biggest issues" behind these problems? Rigol designed a PSU with an idiotic bug that should never have left the QC room. But how is that symptomatic of bigger underlying issues? The PSU works as advertised and performs within spec. That's what I expect of a PSU.
As for people not returning them, it's a rash assumption to say it's because people want to believe they are good. In my case, the power supply still works and performs the job I bought it to do. It's not actually defective. It's just that we disagree (with Rigol) with the way in which the PSU was designed. I don't think Rigol (or their distributors) would accept the units back on the basis that we don't like how something was designed, at least not without a restocking fee.
In my case, I bought from TE and their return policy is 7 days with a restocking fee for non-defective units. Good luck arguing the case that a PSU which performs as sold is defective because one does not agree with a design decision that may cause it to fail earlier than we would like. That's not going to happen. And even if they did take it back, what do we ask for in exchange? A refund? A different PSU? A version 3 of the DP832? Until and unless Rigol acknowledges this as a warranty issue, no resellers are going to preferentially sell customers Rev3 models.
There's not even any indication that if any units fail, they will be fixed/replaced with the Rev3 model.
Isn't the smart choice, at this moment, to wait to hear an official response from Rigol, and then users can choose to either A) wait until it breaks and send it for repair B) Preventatively fix it themselves or C) "encourage" it to fail within the warranty period, after the Ver.2 units are gone so they will get it repaired/replaced with a Ver.3 unit instead?