E
eco-tech
Hi,
Problem with my boiler as you can see its a slimline classic ff350
My problem is i get a F3 fault on my honeywell control and i cant find the solution to fix this problem as i have manuals.
Any help chaps ?
Problem with my boiler as you can see its a slimline classic ff350
My problem is i get a F3 fault on my honeywell control and i cant find the solution to fix this problem as i have manuals.
Any help chaps ?