Karen C Mint Hill , NC July 11, 2015 Key pad fail error code for oven Removed the surrounding bezel, unplugged the bad part and plugged in the new one. One consideration, the plug is a little tricky, press each side of the plug, pull outward 1/8 " the old wiring should then slip out. Reverse procedure to install. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes