MCUmall EPROM BIOS Chip Burner Forum
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 Using The Enhanced/Dual power Willem Programmer
 PCB3b hardware error
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1 Posts

Posted - 06/12/2012 :  14:36:46  Show Profile  Reply with Quote
I have a PCB3b dual-power Willem that I've been modifying to do 25V VPP. I replaced two transistors, the inductor, and the 7805.

VPP and VCC are now great in test mode, however when I try to program the software gives me "Hardware error: check power & connection".

How do I fix this?

I started a topic on the ezoflash forums, but it's sat unanswered for a while:
Reply #1


2942 Posts

Posted - 06/18/2012 :  12:58:01  Show Profile  Reply with Quote
This is nothing to do the VPP.

It related to your data cable connection and power cnnection.

Use self test procedure to check it.
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