boiler pilot not lighting?

Call for heat - Fan runs - pressure switch detects fan = OK - opens valve to pilot and ignites it - if pilot hot main gas valve opens. If pilot not hot system shuts off gas.

See these URLs

http://www.howtomendit.com/answers.php?id=26383

and

http://kaijaks.co.uk/blog/nick/2008/02/10/dodgy-old-boiler

Peccavi
November 2008

Sorry mix up with netaheat and profile
The profile does suffer from dry soldered joints on the circuit boards

a
November 2008

Get a corgi engineer
Positive fan flued appliance could be dangerous if not sealed properly
Fan runs and fan proving first stage before ignition

a
November 2008