3.2.1 Recovery Method

When the MPLAB PKOB4 is unresponsive, use the MPLAB X IDE tool to recover the WFI32-IoT 2.0 board through the following recovery method:

  1. Short the pin1 and pin2 of the connector (J301) for approximately 15 seconds (see the following figure).
    Note: Ensure that the WFI32-IoT 2.0 board is turned ON to perform the recovery method.
    Figure 3-3. WFI32-IoT 2.0 Board (EV80S51A) – Recovery Method
  2. Open the latest version of MPLAB X IDE.
  3. The following figure illustrates the opening window of the MPLAB X IDE. From the “Debug” drop-down list, select Hardware Tool Emergency Boot Firmware Recovery.
    Figure 3-4. MPLAB® X IDE Opening Window
  4. Follow the instructions shown in the preceding figure to bring the tool back to factory condition. For additional information on the MPLAB PKOB4, refer to the MPLAB® PICkit™ 4 In-Circuit Debugger User's Guide (DS50002751) and MPLAB Snap In-Circuit Debugger User's Guide (DS50002787).