Pilgrim wrote:

Your PIV rating for the new diodes is much too low. You should have at
least a 1KV diode. Also you don't need that high a current diode.

Agreed. As a proof, I would check the diodes. They should be
dead now. If they are not, there's still another fault at work.
Maybe the one that caused the death of the selenium rectifier.

Regards,
H.