I blew up my 5i25 board

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26 Nov 2021 07:01 #227623 by ericg
I believe I have anyway, so I have ordered a replacement from BigJohnT.
but just to be sure it cannot be salvaged here is what happened.
I was setting up a new input to drive a mux2 select instance and just sticking a wire onto a P2 input and I may have slipped and briefly connected the input to 12v as the two pins are close to each other on a switch I will use.
I now get joint 0, 1 and 2 errors when I try to power AXIS up,
I get these errors even when I disconnect the 5i25 card and try to power up.
I switched PC's and used my old parallel port and the cnc machine works OK with that.
I checked readhmid it shows OK, I reflashed the board and it showed no errors but still I get these joint error messages and AXIS won't start, there are no LED's lit on the board error LED or otherwise.
So bottom line is, can it somehow be recovered or do I just bin it and wait for the replacement?
cheers
Eric
 

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26 Nov 2021 23:21 #227709 by PCW
Replied by PCW on topic I blew up my 5i25 board
If you did connect 12V to a GPIO pin you likely damaged the bus switch part
on P2 (repairable) but may have also damaged the FPGA (not economic to repair)

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27 Nov 2021 01:09 #227716 by ericg
Replied by ericg on topic I blew up my 5i25 board
Once again, thanks PCW for the response, do you know how to repair the P2 bus switch? or does it need to go back to the company Mesa for this?
Eric

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27 Nov 2021 09:40 #227725 by RNJFAB
Replied by RNJFAB on topic I blew up my 5i25 board
Don't feel too bad. I have fried 2x 7i96 boards.

Not a cheap exercise, however I did learn from each one.

I sent them both off to be repaired but haven't heard from the guy in about a year now.

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27 Nov 2021 10:55 #227729 by ericg
Replied by ericg on topic I blew up my 5i25 board
Oh well! at least you learned, can't say that for myself, as I'm 1 up on you, I have now fried 2 Gecko G540 driver boards and now this 5i25 one, all through carelessness
perhaps at my age I should take up bowls.
cheers
Eric

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27 Nov 2021 15:59 - 27 Nov 2021 16:00 #227753 by Michael
Replied by Michael on topic I blew up my 5i25 board
After sending two different boards in for repair I no longer make connections or test while anything has power. I have a cheap lab supply to check circuit basic functions before they get hooked up to the mess card.

Mesa has been very fast with repairs fortunately. Even though one was beyond repair.
Last edit: 27 Nov 2021 16:00 by Michael.

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27 Nov 2021 22:06 #227782 by ericg
Replied by ericg on topic I blew up my 5i25 board
not sure it's worth my while to get it repaired as I live in the lockdown capital of the world, Melbourne Australia and postage to/from the USA is a killer on top of the repair costs

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29 Nov 2021 11:35 #227885 by RNJFAB
Replied by RNJFAB on topic I blew up my 5i25 board
hey ericg,

I'm in Brisbane and found someone local who said they could fix them.

If i ever hear from them again I'll let you know their details as they may be able to be saved.

Postage to USA from here was $120 each way, cheaper to buy a new board rather than sending back to MESA.

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29 Nov 2021 11:54 #227887 by ericg
Replied by ericg on topic I blew up my 5i25 board
That would be great, thanks RNJFAB, if you do hear from them it would be appreciated if you let me know.
Pity there wasn't a local agent/repairer in Australia, I can't believe the USA postage costs these days, I used to buy stuff from the US regularly some years ago and postage was very reasonable and often I could get parts from the US quicker than I could get stuff from Sydney.
cheers
Eric

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03 Dec 2021 00:59 #228244 by sprintertrd
Replied by sprintertrd on topic I blew up my 5i25 board
I cold not PM you as I think its been turned off!

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