Is there anything on the display?
What is displayed?
hi, display showing,
on, temp 40
on, rpm 800
on, finnised in, showing nothing.
also start/pause button just flashing.
OK, thanks for that.
I had hoped there was a key symbol showing.
Unplug the appliance.
Wait 10 minutes.
Plug back in and see if the control resets.
Let me know what happens.
have done that already
OK, I've no idea what you've already done if you don't say in your post.
The symptoms you describe would have suggested child lock but the absence of the symbol rules that out.
Unfortunately, it points to a control board failure but I can't see how clearing the pump would have caused that.
I'll opt out of the question.
See if any of the others have any thoughts on this.