I presume the valve is sticking, so, to my question(s). May 20- Are you wondering if there’s a fix for your faulty Ferroli boiler? In that case it sounds like the dv stuck on ch or mid position. Was diverter valve as suspecte thanks for everyones replies.
If however the diverter valve sticks you would get no hot water and the. I’ve found that when the diverter gets stuck preventing the central heating from working . Free repair help – ferroli he31c code ddheating water ok.
This also happened to us and it also was the diverter valve. Mar 20- Ferroli optimax he 31c diverter valve noisy, does anyone have. I needed to call a plumber out in the end and he changed the diverter valve as it was sticking and seemed to have corroded a bit.
Apr 20- probably diverter valve stuck on heating circuit ,common fault on these boilers,there engineers come out,give it a whack and it works,then go . Boiler is making sound but no hot water or heating. The fan and the pump is working but does not attempt to.
