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hello, Baxi solo 3 pfl, the overheat light will not go off, continuity is there on the overheat sensor and i have also checked the ohms against a new (same) sensor the readings are the same. Switched the electric off aswel but no joy. The boiler did overheat to begin with, return and flow pipes became very hot but no matter what i do the overheat light will not go off.....any help will be welcome