No hot water and a very hot pump.

Hi there,

I'm looking for some advice regarding a pulsacoil a class boiler. The boiler hasn't been supplying hot water for a few days now and the fault light is flashing. There is no fault code - only a single red horizontal bar on the top right of the 2 digit display. I've discovered that the header tank was empty and have now refilled it but there is still no hot water. The grundfos pump is incredibly hot to touch and is making an irregular noise. I think that he pump might be sticking? Any ideas as to the problem and how much a repair might cost? Many thanks.

Try bleeding the pump.
But it may have gone.
It is a special pump. Has a plastic body.
And comes with the cable fitted.
Ready to plug in on the ACB
Mike