Ravenheat csi primary condensing boiler,fan does not start at first time?
When heat or ht is called for the fan does not start first time after a few seconds the red light comes on,then we start again perhaps 4 or 5 times then eventually it starts and stops, running a bit longer each time until the boiler lights.it will then run all day long no problem.Changed both cards last year,I am leaning towards the over heat stat?
Garry
January 2013
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