WHAT DOES SPARE PARTS MEAN?.....................................................................................................................................................................................................................................

This may come about when a heating aspect is shorted, a regulating thermostat or thermister fails, or that has a partly limited exhaust vent. The fuse attaches towards the blower wheel housing. It need to get replaced when there's no for a longer period continuity among the terminals. this is the a single-time fuse, this means it cannot be re-set.