Toto Carlyle 1-piece Elongated Bowl Toilet "instate" Questions

...the loo the water doesnt refill. Isolate water service remove valve as required clean/replace re instate test & leave ...

i have a saniflo system and need to know how to unblock it check the fuse has not gone or the trip for the electrics before proceeding as no power = no saniflo, assuming this is ok - 1. get old ...