intermittent fault

Hi, I have a biasi boiler. Normally it works fine however no hot water after running it for 20-30 mins. The next time i turn the tap on, its cold. I have to wait for 5-10 minutes before it works again. No lockout. No indicators. Only indicator it gives is fast light pulses when it can't turn...

Woke this morning to no hot water but heating was working fine. Checked the forums and checked all the common problems: Water and boiler pressure both ok Timer ok (hot water set to all day) No leaks and condenser pipe not frozen No error codes Tried running hot water with heating turned off...

Hi All, I'm wondering if anyone has any idea what is happening here. I have a CH/HW system made up of Worcester Greenstar boiler, 5 radiators and hw tank controlled by Danfoss FP715Si programmer and Danfoss Thermostat (RF). Programmer is set to run All Day from 0630 to 2230 Over the last year...

Hi all, I have a ten year old WMD960, it's been going strong up till now. It had a new circuit board about 5/6 years ago and a other than that no problems really. However, over the last few weeks, it has been acting a little weird. When you press the start/play button nothing happens. No key...