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Potterton2001 controller ?

Hi, usually I can put the CH on override on its own without the HW being on, today the CH will only come on if the HW is also on override , what could be wrong with it ?

Lin, January 2014

home Fix label Heating label_important Home Heating Systems

Fix Fault - Heating

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Fix Fault - Heating

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home Fix label Heating label_important Home Heating Systems

Potterton2001 controller ?

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Potterton2001 controller ?

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Potterton2001 controller ?

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