Some common LG microwave problems include malfunctioning displays, confusing error codes and noisy operation. Sometimes the problem is related to user-error. For example, you may have inadvertently changed some power settings, resulting in an unexpected mode of operation. Whatever the reason your LG microwave stopped working, Repair Clinic can help. If it can be fixed without replacing parts, we'll show you how. If not, we'll sell you the parts for a DIY fix.