Rafael B Apopka , FL November 12, 2016 Appliance: Frigidaire Microwave PLMV169DCE Frigidaire Microwave Plmv169dce: None of the buttons on the keypad worked; the display however was still working. How to replace Microwave Touch Pad And Control Panel. Replacing the control board fix the problem which seamed to be the keypad at first. Keypad was not the problem. Install was really easy. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes