Martin W Toms River , NJ February 07, 2022 Appliance: LG Dishwasher LDF5545ST/00 Lg Dishwasher Ldf5545st/00: Erradic or no function at all turned off at all different intervals and never finished a cycle. How to replace Main Control Board. Replaced the motherboard. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours