So it was a different electrician who did the repair from the one that fitted the CU?
That destroys my theory that the electrician discovered the stupid mistake he had made, and rather than repair it for free, makes up a cock and bull story so that the work is chargeable. Far from an unknown scenario.
That destroys my theory that the electrician discovered the stupid mistake he had made, and rather than repair it for free, makes up a cock and bull story so that the work is chargeable. Far from an unknown scenario.