The boiler wont fire up and the blue light flashes once per second

The fire on the boiler will not go from small to big.to make the water hot, there r two boiler at the house and the two boilers run parts of the house one up and one down .it's a old system on the top and new on the button y dis it not fire up man.

Let's see what we can do to trouble-shoot this boiler--

First of all-- Are we talking about a Hot Water 'Boiler'-- In other words does this boiler heat water that circulates thru the house, to keep you warm?

Next-- What is your fuel?

Have you Shut the system down, to reset it?-- What happens when it comes back on again?-- Clicking sounds-- pumps trying to start-- solenoids trying to open, etc.-- Tell us what you observe-- so we can help you trouble shoot this problem.

Mack B