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having an issue with a bevmax 4 3800, originally had an issue with the picker, as so i though, here's what happened, first few months the machine would work good, then it started to drop bottles, so i changed the picker hoping it would solve the problem, it didn't, 3 brand new pickers later it is still the same problem, but now it would vend a few drinks and then stall out, it would not pick the drink, come back empty, if i put a drink in the picker, it would vend, and then reset, and then would vend again for a bit, and then the same problem happens again, except this time i would get VEND ERROR, where as before i did not get that, now i was told to swap out the port assembly, hoping it would fix it, did that, still getting VEND ERROR, i tightened up the belt a bit, like 2 notches, nothing crazy, thought it was loose, i checked for errors and all the time i am getting the same error CTRL PWR OUT, i am assuming that there is nothing more to change in the machine except the board now, or to at least have it checked out, was told by the seller that the boards rarely go bad on these machines, so that never happened, he says that VEND ERROR can only be picker or port assembly, the picker moves freely in all directions (i only say this bc i was told to change the XY motors at this point) which is not something i want to do. now i will be putting back the original picker and see if anything changes, if anyone has any suggestions, would highly appreciate it, my last resort is to have the board checked out, as there could be something wrong with it, so i will buy a used one just in case, and send out the original for checkup.

Hey Guys, looking for a little insight here. I have a Bevmax 4 at my shop. I have a location I'm taking it to the week of the 15th so I wanted to test it all out. I let it run overnight and noticed every time I go into my shop, it's running. I have the setpoint at 37. The machine does read 37 degrees, as does my separate temp gauge that I set inside. BUT, when I open the door for a while to mess around with price settings and things of that nature, it will warm up to say 50 degrees. Now, when I close the door, 15 minutes can go by, and the temp won't go down at all. Fast forward to the next morning, and it's back at 37, but still running. No error codes. The evaporator in the lower right corner does have a decent build up of frost on the upper half. Not just a thin coat of frost, but not a block of ice. Just a medium thick build up of frosty material. Does this sound like low freon? Also, are there any common air leak areas I should check? Any help is much appreciated, thank you.