Biasi Boiler fault

[lpfan21]

i have a biasi 24 boiler, it ignites and the temperature gauge shoots up to 90 degrees + and then the boiler shuts off. Need help any ideas.

 

[kevplumb]

bit more info needed

h/w or c/h or both

 

[bengasman]

Diverter or flowswitch

 

[kevplumb]

the old puma classic

 

[bengasman]

Biasis are quite prone to it too, rubbers go, and seen one or two flowswitches full of water. I did look twice and rubbed my eyes first time I had one.

 

[lpfan21]

sorted it

 

[bengasman]

sorted it

Was it the wubber or the switch?

 

[Agile]

Probably an o/c sensor or a blocked plate HE.

Depending on whats interpreted by "shuts itself off!

Tony