Found ice bin full. Ran unit through cycles, found working okay. Found unit full of scale, thickness sensor and water level sensor need replaced, unit will also need cleaned, bridge is too thick. 1/16/18 Found unit not running. Inspected unit found ice curtain stuck open and unit stuck in full bin status. Repaired ice curtain, removed ice thickness sensor, water level sensor and replaced with new parts. Energized and checked operation. Set bridge thickness. Unit operating normally at this time harvesting every 12 min. 30 sec. Spoke with manager would like cleaning scheduled. Also found head unit support grace installed incorrectly. Tried to relocate but screw is stripped will need drilled out when machine is empty.