Step 2: Release the two latches and lower the PCB.
Step 1: Release the two latches and lower the interface cover.
Step 3: Inspect wiring harness for any visible defect or damage pay particular attention where the harness passes from the PCB through to the electrical components within the appliance (fig 1, fig 2). The requirements of Technical Operational Procedures, Unsafe Situations shall be adopted where it is identified the wiring harness is damaged.