turn spur on and leave it for a couple of minutes, the boiler maybe doing a self test after the the power supply was interrupted, turned off,power cut etc
mine does it but its a valliant boiler,the pump settles after about 4-5 mins max running .
wirecutterman
January 2010
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix home heating systems.