baxi solo3 plf 40?

thanks dave have replaced the rubber tubes but still the same,would the pcb at fault and not reciveing a signal that the switch is open as i am getting 120v at both terminals

john
February 2010

check the rubber tubes between the a.p.s. & fan they may be kinked or damaged or even the little plastic elbows that the tubes join to. also external flue fault or even if the flue restrictor is still on
it seems the a.p.s. is not sensing airflow

dave
February 2010