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by vipin
Sun Jan 09, 2011 11:57 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: F30E - No HW when CH in on
Replies: 6
Views: 3893

[quote="hfz3"]Hi Vipin

Did U fix the problem?

Regards

Curt[/quote]

NO. I just haven't had the time to tackle it. Thought it might be wiser to save the money on a new PCB and get a new combi. But it is still working as before. Any suggestions, Curt?

Thanks
Vipin.
by vipin
Tue Jan 08, 2008 5:54 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: F30E - No HW when CH in on
Replies: 6
Views: 3893

The Manual states that F9 indicates: 1. Water pressure sensor - but I have changed that with no results. 2. Stepper motor - I have checked this according to their instructions, and it works. I also checked the motorised 3way valve head, and it works. 3. Overheat stat (manual reset) - but the stat do...
by vipin
Sat Jan 05, 2008 3:33 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: F30E - No HW when CH in on
Replies: 6
Views: 3893

Thank you, but I suspect something mechanical, and am going to remove and inspect the 3way valve as soon as weather permits (the boiler is located in an outside toilet!). Will let u know when I find something.
Thanks again.
by vipin
Wed Jan 02, 2008 6:17 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: F30E - No HW when CH in on
Replies: 6
Views: 3893

F30E - No HW when CH in on

Saunier Duval F30e combi boiler: HW is okay on its own, CH is okay. But when CH is on and HW is turned on, the boiler tries for a few seconds and then shuts down with F9 in display and red light flashing. Pressure is bet 1-1.2bar. Have replaced water pressure sensor; gas valve stepper motor and 3way...
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