no display on control panel saunier duval f35e ?

display on f35e not working ,power to boiler and fuse on pcb is ok, There is no hot water

Saunier Duval F23e radiators get hot when using domestic hot water only?

I have a Saunier Duval F23e boiler. Few months back the radiators were getting hot when we were only using domestic hot water. I changed the reversing valve in December 2011 and the problem was cured. ... more

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I have a saunier duval thelia 23e combi boiler?

The heating is not working & when I run the hot water the burner comes on then turns off after 15 secs and keeps trying to come on but only stays on for a few seconds. Any ideas on what the problem is ... more

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how do I increase water pressure ?

I cant turn any of the valves wh8ch ones should I be turning the book says B then a but I cant turn them Its a saunier duval

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saunier duval f23e combi boiler?

fan is not running.fan is ok.no power to fan.activated air switch and boiler works.so only problem seems to be no power.pcb changed (big one),ANY IDEAS?

saunier duval f 35 e?

promblem red light flashing no 21 on a isofast F35 E

I have a saunier duval isofast f 28e ?

The boiler works fine but when you call for hot water when the heating is on it will supply hot water but stops the heating supply even after hot water has ended. To activate heating again the boiler ... more

how can i unlock my home heating system [Saunier Duval,F 24 E?

how can we unlock the heating system Sunier Duval,F 24 E Number 0010002646....i don't know how it gets locked kindely help me...

saunier duval e30?

im getting heating from radiators but no hot water.boiler starts to heat water for a few seconds then water goes cold.

how can i fix my boiler?

the pcb circuict board control fuse blown on my saunier duval f28e boiler system what would be the possible causes of this and could i repair it or would a new circuict board be needed

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Saunier Duval F35E Isofast ?

Our boiler (usally on hot water only) makes a noise like a motor bike (pop pop pop pop pop pop) that vibrates through the pipework, this does not happen when the central heating is on, when running ho ... more

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saunier duval?

saunier duval f24 e just inherited this boiler it is 2 years old but cannot get the temperature up to more than 73 degrees which registers on the boiler .

Timer?

The timer on my Saunier Duval thermclassic f24e doesn't work. How can I fix it please

saunier duval therma condens f 30 e boiler?

I had the boiler fitted in 2007 with no problems until recently. We have no hot water unless the heating is turned on and our gas fitter cannot find the problem as yet, any ideas please

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Saunier duval F23E?

I have saunier duval f23e boiler and when the heating is off , the radiarors get hot when we use hot water.

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a 06 flashing on boiler saunie?

i have a saunier duval f30e boiler that is flashing a code 06 gc no 47-920-52 can any one tell me wot this code is can not find my manual thanks. john

no hot water or centeral heating saunier duval semia condens f24?

what is the fault the number 12 comes up on front of boiler display

Saunier Duval F28 E2 problem?

Hi I have a Saunier Duval Isomax F28 E2 boiler which contains a water tank that holds approx 45 litres of hot water. The boiler is 7 years old. For a couple of months now, a problem has st ... more

How to fill the system to saunier duval f30e?

Hello, How to fill the system to saunier duval boiler f30e? it shows 0.6 bar at the moment, but i know that it shoulb be more... foung blue "thing" under my boiler, which i have to push down, as i ... more

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replace a new pump ?

how do i replace a new pump on a saunier duval SD 623???