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potterton profile coming on when in off program?

potterton profile keeps coming on intermittently when no calling for heat, both the boiler fires up & the pump runs yet there is no external component calling for heat

mr pierce
January 2011
just because a switch is in the off position doesn't mean it's off check with a mains tester or multi meter that the controls etc. are working properly the boiler must be getting power from somewhere

brian
January 2011
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