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Mend Vaillant Eco Pro 28 Home Heating Systems

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Mend Vaillant Eco Pro 28 Error

Vaillant Eco Pro 28 - Error flickering between 0.3 & F.22?

Hello,

I ran the hot water tap this morning to wash the dishes, it produced it's usual hot running water. About 15 minutes later I ran the hot tap again for something else and the water was stone cold!!

Had a look at the boiler and the red light indicator was illuminated, together with a reading flickering between 0.3 & F.22.

Please can someone shed some advice on this?

Thank you.

Beth
May 2011
Vaillant Eco Pro 28Heating, Home Heating SystemsVaillant Pro Error
It needs re-pressuring via the filling loop.
Fill to 1-1.5bar.
Press the - (minus) button to display the pressure on the digital display.

Carefree
June 2011
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