SECTION I FOR 30” COOK TOP MODELS UMBILICUS, JIC4430X {COOLING FANS IN FRONT WHEN FACING COOK TOP) IMPORTANT: When replacing the LEFT IPC (when facing the unit), leave the jumper in place on JB03 pins 3 and 6. When replacing the RIGHT IPC (when facing the unit), remove and discard the jumper from JUMBO. Ses Figure 3.