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Posted by Chris Hawk on June 27, 2009 at 11:36:58:
I have this Savio Caldaie Combi Boiler (about 7 Years old).
I lost Hot water but the Heating still worked. This turned out to be a Diaphagm which we replaced and the Hot water came back on for a short time.
Now the Boiler will not light at all. The Reset Lockout button doesn't light and doesn't seem to do anything.
When you turn on a Tap or the Central Heating, you can hear the Switches Click and the Boiler makes a noise like it is about to light but doesn't fire.
The Pump is turning, the Fan is on, the display shows the correct pressure, both the Heat and Hot water Micro switches are operating as they should.
Has anyone got any ideas what I can look for before I blindly start replacing PCB's etc?