Microgenus 28HE MFFI

[Deelta]

Hi every one, I think I have posted this few days ago but I can't find it and receive no replies, so i'm posting it again, the above boiler got a problem and that no DHW, the boiler starts ok and the burner start as well but he output water is no hot at all, what could be the problem?

 

[twgas]

could be diverter valve but need more info. does the CH work.

 

[Deelta]

could be diverter valve but need more info. does the CH work.

Yes CH works alright, sometimes there is a worm water but not hot, what do you mean diverter valve, the actuator or the valve it self?

 

[twgas]

Let the whole system cool down, then try the hot water, once the boiler lights does the CH start warming up? feel the flow pipe (far left, I think) if it gets hot the div valve needs looking at.

 

[kizzer]

Hot water thermistor needs changing. 100%