Apparatus, Methods and Systems for Knowledge Based Maintenance Patent# 10,096,003

A processor based method comprising: identifying a device using a portable electronic apparatus; offering a plurality of options, for selection by a user of the portable electronic apparatus, about how to proceed for the purpose of attending the device; providing step-by-step guiding instructions as to how to attend the device, the guiding instructions being specific to the identified device and the option selected; if, after user follows the guiding instructions, the purpose of attending the device is achieved, ending the process; and, if, after user follows the guiding instructions, the purpose of attending the device is not achieved, providing communication options to the user, using the portable electronic apparatus.