Recent content by jackkim

Thank you very much, Matt!! I checked system pressure and I found it was low! Once put some water in order to make the pressure higher and... it WORKS now!!! Such simple check point but it was greatest Christmas gift for me, Matt!! Thank you so much once again and I wish you merry...

Thanks for your reply. Yes, the 230v is supposed to feed the pcb and coming out from pcb and supposed to feed the terminal block which connected to others. The pumps and timer needs 230v but the power should be supplied by boiler (actually from pcb's external terminal, N and 1) as shown in...

Thanks Matt!! Now I can see my photos.

Thanks for your quick reply. The fuse is fine.

Hi, I am new on here and hope someone can help. I have the Ariston microsystem 21 boiler and it supposed be support 240v AC to the junction which connected to water tank, 2 pumps and timer as attached diagram but it supported only 6v AC somehow. The honeywell ST6400C wasn't display...

Ariston Microsystem 21