Step1: Disconnect Refrigerator power supply and unplug unit to ensure safety before starting.
Step2: Remove access panel and carefully detach old blower assembly, noting wiring positions.
Step3: Install new blower into mounting bracket securely.
Step4: Reconnect wiring according to diagram, ensuring all connections are tight and insulated.
Step5: Check fan rotation manually, then restore power and test operation safely.
Step6: Verify airflow and reassemble panels; avoid touching moving parts during testing.