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Heating, Home Heating Systems (31117 other questions)
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isotwin condens f 35 e service menu codes?

My gas boiler Saunier Duval ISOTWIN CONDENS F 35 E consumes too much gas. I ask for help in obtaining service instructions for this boiler. I am interested in a detailed description of all service menu codes "96" (1,2,3 ... 22) and "35" (23,24,25 ... 36).

November 2019

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November 2019

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Other questions in this category - Heating, Home Heating Systems
Saunier Duval Isofast condens F35E....nothing working?

I have been on holiday and turned the boiler off at the mains, on returning turned it on and the remote said Radio fault ...changed the batteries in the remote ... nothing on remote or boiler no manual control at boiler ...nothing dead, there is mains at the spur unit, any help would be appreciated,...

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I have a Saunier Duval Isotwin condens F 35 E with hot water No heating?

the fault on the board says F 14 which is clear on the manual but I have no idea what F 24 means. My setting is on hot water and heating but the heating is not coming on. anyone know what the fault might be?...

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Saunier Duval Thema F23 anyone have a link for manual?

Does anyone have a link for a manual for a Saunier Duval Thema F23 please?...

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Saunier Duval timeclock not working?

Home emergency plumber replaced both PCB's, now the timeclock which worked immediately before, does not work. Could this be related ie not reconnected properly? They say not and won't come out....

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Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it open too long. It auto-vented, but kept going until the red light came on and code 21 again, in minutes. Every time hot water is needed, pressurise it up to about 2.0 bar, then it will ru...

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'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I find the boiler is flashing red and shows the error report 'f19.' My manual says this is because ... "NTC not connected to central heating pipe." ... If I switch off then re-start the boiler...

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saunier duval boiler problem?

I have the model thema condens F 24 E. I have no manual. but the boiler has switched on eco mode. I don't know how to switch it off....

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saunier Duval is over pressurising when the heating is on. ?

How can I stop a Saunier duval F28e from over pressurising when the heating is on and also stop it losing pressure when it is off???...

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