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by chrissy86
Wed Oct 27, 2010 6:19 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: VAILLANT COMBI BOILER FAULT
Replies: 5
Views: 16205

Dear htg engineer, Thank you for your advice. I have already done what you said; the diaphragm has already been changed, the differential pressure switch has also been changed and so has the DHW switch. The problem still exists only on the hot water circuit not on the radiator circuit. Please can yo...
by chrissy86
Sun Oct 03, 2010 6:41 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: VAILLANT COMBI BOILER FAULT
Replies: 5
Views: 16205

Dear Rus, when it stalls only (unheated) water comes out. The fan does not run, nothing happens. But then you have to switch it off, let it rest for 10-20 mins, switch it on and it starts as per normal. This is a pattern that happens regularly. I've already changed the DHW (Draw Hot Water) water swi...
by chrissy86
Mon Sep 27, 2010 8:34 pm
Forum: Appliances in the Home Forum
Topic: FAULT WITH VAILLANT COMBI BOILER
Replies: 1
Views: 4052

FAULT WITH VAILLANT COMBI BOILER

I have a Vaillant combination boiler (VUW 282/1E). It's approx. 10 years old and still working with the exception of the following problem: First thing in the morning when you switch on the hot water everything works perfectly but when you switch it off and switch it on again, it doesn't work (it st...
by chrissy86
Mon Sep 27, 2010 8:31 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: VAILLANT COMBI BOILER FAULT
Replies: 5
Views: 16205

VAILLANT COMBI BOILER FAULT

I have a Vaillant combination boiler (VUW 282/1E). It's approx. 10 years old and still working with the exception of the following problem: First thing in the morning when you switch on the hot water everything works perfectly but when you switch it off and switch it on again, it doesn't work (it st...
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