Zanussi ZX56 / 4 Bottom Freezer Refrigerator "central air stopped working sounded" Questions

...central Texas from time to time.) When the circuit board is fried, it makes a noise like a fan blade malfunctioning and it stops the auto defrost feature in the freezer from working. So the freezer ...

...air flow inside the unit. The other thing is that the defrost cycle may be "stuck" so it thinks it should be defrosting (therefore not running the compressor, etc.) Lots of things to check but that ...