fault finding proceedure for potterton boiler?

The boiler installation and service manual has a fault finding chart in the back - p26.

I just found this - may still be current...

Potterton were taken over in 1996 or thereabouts and are now called baxi potterton. You can obtain a manual for your potterton boiler by calling their after sales technical support on 0870 6060780 ... they will give you a phone number and if you quote your boiler make, the paperwork appears in the post within 3-5 days.

Baxi Potterton
Brooks House
Coventry Road
Warwick
CV34 4LL

Peccavi
February 2009