It sounds like the H bridge has broken. You should speak to Digikeijs and make a ticket and send back to them for repair. This there policy for returns. They will fix and send direct back to you.
James
On Mon, 11 May 2020 at 09:13, j.pollard4 via <j.pollard4=[email protected]> wrote:
Hi Dennis,
yes, checked with 5033 disconnected completely.
I think the 5033 is faulty as it now outputs zero volts to the rack.