Genuine replacement main control board for the Hisense H520FI-WD 520L bottom freezer fridge freezer. This PCB manages the inverter compressor, defrost system, evaporator fan, damper motor, and temperature sensors for both compartments.
Fixes common faults: E1 fridge sensor error, E2 freezer sensor error, E3 defrost sensor error, E5 communication/IPM fault, no cooling, compressor not starting, and excessive ice buildup.
Before ordering, check the part number on your existing board.