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Dee999
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06-11-2016, 10:36 PM
1

Vaillant boiler fault 75

On what is a cold night there's no heating or hot water! Boiler says fault 75 and I've done the thing of turning on the value switches at each end of loop and nothing happens -any advice?
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06-11-2016, 10:41 PM
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Re: Vaillant boiler fault 75

Originally Posted by Dee999 ->
On what is a cold night there's no heating or hot water! Boiler says fault 75 and I've done the thing of turning on the value switches at each end of loop and nothing happens -any advice?
Is it an eco tec?
Pump?

Gasman and fender are the guys but.....I'm not sure on the rules(gasafe)re advising.
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06-11-2016, 10:57 PM
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Re: Vaillant boiler fault 75

Originally Posted by Dee999 ->
On what is a cold night there's no heating or hot water! Boiler says fault 75 and I've done the thing of turning on the value switches at each end of loop and nothing happens -any advice?
Pressure sensor or pump fault
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07-11-2016, 11:06 AM
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Re: Vaillant boiler fault 75

Originally Posted by Primus1 ->
Pressure sensor or pump fault
Spot on.


Check your pressure.

Doubt if its the pump.
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11-11-2016, 11:17 PM
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Re: Vaillant boiler fault 75

Register on http://www.diynot.com/diy/ and see what they say.
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12-11-2016, 06:11 PM
6

Re: Vaillant boiler fault 75

Originally Posted by Lindyloo ->
Register on http://www.diynot.com/diy/ and see what they say.
You might not realise that its against the rules to mention another Forum let alone give a link to it...hopefully Azz will not find out and the Mods will be asleep or you will be put on the naughty seat.

Any way thanks for the link as a retired gas fitter will be join it.
 

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