I had an extended warranty on my GE Profile Over the Range Microwave Oven. When My Microwave was not working properly I called GE for service. They sent 2 technician from Dial Appliance to check the Microwave, and they discovered that Magnetron Tube on the Microwave was defective and they ordered new one. Upon receiving the part they came back and installed it but the Microwave was still not working correctly, at that point they discovered that now the transformer was kind of broken because they saw little smoke coming out during the test. The... read full review »