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catkiller

Problema Ariston microtec 23 mffi

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Salut,

 

Am o centrala termica Ariston microtec 23 mffi. In urma cu 2-3 zile, in timpul functionarii pe calorifere am inceput sa aud un bolborosit in centrala (ca si cum ar fierbe ceva), si s-a aprins led-ul rosu.

Am incercat sa o repornesc pe apa calda, i-am dat reset, led-ul ros s-a stins, a pornit dar dupa ce am oprit robinetul de apa calda centrala a continuat sa functioneze!(cu incalzirea pe calorifere dezactivata) si iarasi zgomotul de firebere, iar singura modalitate de oprire a fost scoaterea din priza.

 

Mentionz ca astazi am verificat vasul de expansiune si are membrana sparta.

 

Care poate fi problema?

 

 

Multumesc!

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Fluxostatul de pe apa calda probabil ramane cuplat. Desi robinetul se inchide, comanda ramane iar flacara se mentine pana la atingerea temperaturii reglata din buton. De multe ori temperatura creste prea repede, depasind-o pe cea reglata si chiar pe cea maxima normala de functionare iar atunci intervine protectia la supratemperatura si implicit avarie Led rosu. Cand sunt probleme cu vasul de expansiune, creste anormal de mult presiunea in instalatie, proportional cu temperatura agentului termic din calorifere.

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