Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: ferroli optimax 31c
Here is a link to the manual.It shows fault codes.
Please rate this solution.
Posted on Jan 17, 2009
SOURCE: Vaillant combi boiler problem
when the tap is turned on and the water light on the boiler doesn't this means the diverter valve is not operating it could be down to low water pressure in the house this can be checked at the cold tap in the kitchen. if there is plenty of pressure then it could be the diagphram in the diverter valve is worn or split. the diagphram is only a few pounds but it depends on the engineer you get as to how much money he wants to fit it.
the egg timer symbol (or two pyramids together) is an ignition indicator turn off and on again to see if it will fire with the tap running. reset the boiler with the lower right hand control knob.
Posted on Mar 26, 2009
if nocn is on the time clock then check the wiring to time clock and if all good then it is the time clock at fault and will need repleacing
Posted on May 04, 2010
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