saunier duval help

[rennip]

I have a saunier duval 620 f the boiler( i know but i`m stuck with it) fires up then shuts down only leaving the pilot light running,it seems that the aps is closed when click to open boiler fires up. what causes it to stay closed, please any help would be grateful

steve

 

[kevplumb]

usually sticky flap

possibly dirty fan

 

[rennip]

hi kev the fan spins but not sure if if spins fast enough ,the fan is trying to turn slowly when on pilot light

steve

 

[kevplumb]

the fan is trying to turn slowly when on pilot light

it should be running slowly when on pilot that could be your prob

so you need to get someone in

 

[rennip]

thanks kev so bottom line is i need a new fan


ta

steve

 

[kevplumb]

possibly