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Mend Ravenheat RSF 84ET Boiler Overheat Noise

Ravenheat RSF 84ET operates continuously?

The boiler fires up on its own when there is no demand from timer or room stat and because the recirc pump is not running the boiler makes a noise like a kettle boiling and then trips out on the overheat stat, any advice would be appreciated.

slim
March 2006
RavenheatRavenheat RSF 84ETHeating, Home Heating SystemsBoiler Overheat Noise
I have a ravenheat boiler and the lower red light come on, it will not work. What causes the light to come on and whow do i fix it

Noddy
September 2008
Alan,

Yes i have replaced the main PCB and that has solved it.
Check out e-bay i managed to buy it for a few quid.
But be careful i bought one with the same part number but was listed for a different model of boiler in the Ravenheat range and it did n't work !

Good luck.

Slim
September 2006
Not an answer but another question - I have a similar problem, I can't turn teh central heating sidde off, did you find the problem???

Alan
August 2006
Lee,
Thanks for that i have tested the microswitch it's operating OK do have any other thoughts on what the problem may be ?

Slim
May 2006
check the microswitch on the back of the main 3 way valve, it may be sticky?

lee.

Lee
May 2006

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Ravenheat RSF 84ET Boiler - Overheating Issue