Genuine replacement main control board for Hisense H670SMIB and H670SIB-WD 670L side-by-side fridge freezers. This PCB controls dual inverter compressors, independent fridge and freezer evaporators, damper motors, defrost heaters, and multiple NTC sensors.
Common faults fixed: E1/E2/E3/E5 error codes, no cooling in one compartment, compressor not starting, ice buildup, and dead display. The board manages separate temperature control for both sides.
Please match the part number on your old board before ordering.