Arrived at location on 10/5/21 - Examined unit checked incoming power at 244 per leg unit powered on and called for heat have 20 amps per leg blower stopped working called Jeremy at Nu/Vu for part #QWP per Ryan. Returned to location on 10/7/21 - Removed and replaced motor and fan, had to rewire top of unit. Replaced all connectors for fan and elements, there was a fire up there. Looked as if grease rotted through the coating and wire arced. Tested unit.