Robert M Crewe , VA January 12, 2026 Appliance: LG Washer WM3670HWA/00 Lg Washer Wm3670hwa/00: Lg washer selection/wash cycle not working unable to select wash cycle. How to replace Display Board (Pcb). Replace control panel with new one. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours