How to Fix the F3 Error Code on GE Spacemaker XL1800 Microwave?

If you're dealing with an error code `F3` on your GE Spacemaker XL1800 microwave, it typically means there's an issue with the control panel keypad, possibly a short circuit. This can cause the microwave to beep continuously after the clock message appears. To troubleshoot this, start by unplugging the microwave from the electrical outlet. Carefully pull it out from the wall and place it on a stable surface like a table or countertop. You’ll need a Phillips-head screwdriver to remove the two screws located at the top of the grille on the front of the unit. Once those are out, gently pull the grille off. Next, locate and remove the screws securing the control panel to the microwave frame. Lift the control panel away from the unit and find the screw that secures the green ground wire, removing that as well. Carefully disconnect all the connectors and ribbon cables from the control board. Now, take a hair dryer set to low and apply heat to the front of the control board for about 30 seconds. This can help with any adhesive issues. After that, you’ll want to peel off one corner of the top membrane from the control board, then repeat this for the other membrane. When you’re ready to install the new membrane, insert its pliable circuit through the opening in the control board. Remove the wax backing to expose the adhesive and place the membrane onto the control board. Do the same for the top membrane. Once everything is in place, reattach the control board to the microwave, securing it with the screwdriver. Put the grille back on, slide the microwave back into position, and plug it back into the outlet. Finally, don’t forget to reset the clock. Hopefully, these steps will resolve the issue!