If the spark is weak, it could be the control board.
mick
April 2006
Fault code F28 is caused by either no gas/insufficient gas to boiler or a faulty gas valve on the boiler or a fault with the ignition system. If you have other gas appliances in the property and they work ok,then it is most likely the gas valve.
Scott Clapperton
April 2006
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
