4 DFMEA DESIGN POTENTIAL FAILURE MODE AND EFFECTS ANALYSIS Document Version: 02 / Date: 11-08-2016 DESIGN RESPONSIBILITY SUPPLIER VENDOR CODE KEY DATE FMEA NUMBER none SYSTEM SUBSYSTEM COMPONENT PPAP IDENTIFICATION NUMBER 0 CORE TEAM PREPARED BY DATE CREATED / ORIGINATED DATE REVISED SEVERITY SCALE Item / Function Potential Failure Mode Potential Effect(s) of Failure Severity Class Potential / Cause(s) / Mechanism(s) of Failure Occurence Current Design Controls Detection RPN Recommended Action(s) Responsibility & Target Completion Date Action Results Cause(s)/ R. Failure Effect(s) of Mechanism(s) P. Action(s) & Target Actions Taken Sev Occ Det RPN Mode Failure of Failure Prevention N. Completion Taken e c e P. Detection Date v c t N. Touch panel Loss of communications Broken wire in cable Bad driver output Connector up plugged Partial touch loss Defective LED or sensor in panel Debris blocking LED or sensor Full touch loss Broken internal cable Falded connector on LED or sensor board Failed circuit LCD Stuck pixels Customer complaint Stuck column / row driver Customer complaint Failure of bridge board Loss of display Broken data line in cable or reciever Loss of color, text and image hard or not readable Broken clk line in cable or reciever Loss of display Broken I2C line in cable or reciever Loss of backlight control Failure of backlight board Loss of display Item / Function Potential Failure Mode Potential Effect(s) of Failure Severity Class Potential / Cause(s) / Mechanism(s) of Failure Occurence Current Design Controls Detection RPN Recommended Action(s) Responsibility & Target Completion Date Action Results Cause(s)/ R. Failure Effect(s) of Mechanism(s) P. Action(s) & Target Actions Taken Sev Occ Det RPN Mode Failure of Failure Prevention N. Completion Taken e c e P. Detection Date v c t N.