On 3/11/2014 9:15 AM, Ariel Rocholl wrote:
> Martin,
>
> Yes, capacitors, layout and power is according to MCHIP requirements (see
> my answer to Alan).
> Perhaps the only difference is ICD3, being a reliable option when compare=
d
> to Pickit3.
>
> Regards,
> Ariel Rocholl

My only other guess would be ringing on the PGC or PGD line[s]
Perhaps a higher voltage improves the rise time or raises the ringing=20
above the threshold.
You can probe the programming lines and see what they look like on a=20
scope (10x)

-
Martin K
--=20
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