Fault analysis for a plurality of appliances

A method of identifying a source of appliance faults, the method comprising:

• receiving fault code data from a plurality of appliances, wherein each of the appliances comprises an identification board and a controller, the identification board having a permanent information segment, and wherein the identification board of each of the plurality of appliances comprises a modifiable information segment that comprises at least one of multi-sourcing information or manufacturing information of a target appliance component, and wherein the modifiable information segment is modifiable when the target appliance component is replaced or repaired;
• receiving manufacturing parameters from the identification board of each of the plurality of appliances;
• generating categorized fault code data by linking the fault code data with the manufacturing parameters;
• performing cluster analysis on the categorized fault code data to identify the source of appliance faults from the categorized fault code data;
• implementing a responsive action upon identifying the source of appliance faults;
• and
• preventing, using the controller of each respective appliance of the plurality of appliances, modification of the permanent information segment of the identification board.