*modèles d´appareils concernés 766412056 dc122ss dc146lss dfd6132x dwa147x dwa149x dwa157x ls6445xnl ls6447xnl ls645xnl2 ls647xnl2 lsa6439x2 lsa6444x lsa6444x2 lsa6445x lsa6445x2 lsa6446x lsa6446x2 lsa6447x lsa6447x2 lsa645x lsa645x2 lsa6539x lsa6544x lsa6544x2 lvs135sx lvs137sx lvs139sx lvs145sx lvs147sx