It is printed right on the device "
PROTOTYPE - FOR INTERNAL TESTS ONLY"
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I think the best way to interpret what was intended by this message is :
"This is a prototype unit. It is only to be used for internal tests. It is not to be sold. It is not to be given to customers for evaluation. It is not to be given to customers as a replacement."
If anyone thinks i am wrong about what the message printed on the device means then we have a difference of opinion about what the word "
ONLY" means.
Does this mean that the device is automatically bad, defective, will burn the house down? No. It means that Rangavasu was sent a unit that at the time that it was built was clearly intended for internal tests only. This is completely different than doing QC on a production batch. When this unit was built it was not intended to go to a customer, otherwise they would not have printed the warning right on the unit. They printed it on the unit so that no one would accidentally send it to a customer. Among other things prototypes often do not have all of the finishing touches of production units, for example this one did not include the dust cap. Is that the only difference? Maybe, but how would you know?
It can happen that after internal tests are completed it is decided it is okay to send some prototype units to some customers for evaluation. That's fine but in those cases the customer knows they are receiving a prototype unit for evaluation. But that wasn't the case here.
So one of two things happened - either someone accidentally grabbed a prototype unit and put it in the box, or someone decided that since no significant changes were made to the production models that an internal test prototype would be okay to send as a replacement. But sending that to a customer who has already had problems without asking the customer if it is okay is shoddy customer service, if done knowingly. I will give them a pass that they may have intended to inform the customer but someone slipped up and didn't.
But back to the first possibility, that they may have accidentally put the wrong one in the box. Whether or not that is likely is irrelevant, it's the possibility that it did happen that is a concern, and since they failed to communicate then it has to be considered a possibility until an explanation is given by the company.
Here's another problem, what if Rangavasu upgrades EVSE in the future, do you think they can sell this one, or even give it away?