how to fix lock out on powermax 115?

there was no 115 only a 155 if this is the case then it shows a lack of gas / ignition check if the water pressure switch is working this is located under a cover at the rear of the boiler on top it has two wires bridge them out momentarily DO NOT BRIDGE PERMANENTLY ,check if there is water present and rectify

keith boilertolier
May 2009