Mark S Chapel Hill , NC October 15, 2016 Appliance: General Electric Refrigerator PSS25SGNABS Ge Refrigerator Pss25sgnabs: The frig thought the lever to dispense ice or water was being pressed when it wasn't with hillarious results. How to replace Interface Disp Asm Bk. I tried the obvious fix first, which was to replace the switch activated by the lever. But that didn't fix the problem. Next, I replaced the interface display, to which the switch connects. That fixed the problem. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes