hello.called out to a jaguar boiler(which ive only ever installed ...never had to repair one)the fan starts and then cuts out when air pressure switch makes contact ie fan cycles on and off constantly.fault on both heating and hw...air pressure switch appears ok ...suspect pcb maybe?...any help welcome

stu, August 2007

ignition module on the side of the gasvalve faulty

gasmanmark, August 2007

After the fan starts and the air pressure switch makes, do you get a spark at the burner or does it cut out before then?

Neil (Baxi engineer), August 2007