Arrived at sight and kitchen employee called maintenance. 2nd shift maintenance did not know what units failed or why. Need to return tomorrow when maintenance supervisor is in. 8/13/19 Spoke to maintenance and kitchen manager and they said it's only 1 Ice machine that failed the insurance equipment inspection. The inside upper mounting bracket for the bin door was dirty, Cleaned and sanitized sent pics to Chuck Miller. Showed kitchen staff how they can do daily wipe down and cleaning. Maintenance and I checked operation and cleanliness of all other machines on 2nd floor.