--- title: Loud buzzing noise coming from the right side of the microwave after repair. Microwave still heats, should I test the magnetron? description: Loud buzzing noise coming from the right side of the microwave after repair. Microwave still heats, should I test the magnetron? --- ![company logo](https://info.upfix.com/hs-fs/hubfs/wVECTOR%20-%20UpFix%20Registered%20logo%20-%20transparent.png?height=120&name=wVECTOR%20-%20UpFix%20Registered%20logo%20-%20transparent.png) [UF Auto TS](https://info.upfix.com/internal-uf-ts) - [KB Home](https://info.upfix.com/internal-uf-ts) Microwave - [Automotive](https://info.upfix.com/internal-uf-ts/automotive) - [Instrument Cluster](https://info.upfix.com/internal-uf-ts/automotive#instrument-cluster) - [Programming VIN & Firmware Updates](https://info.upfix.com/internal-uf-ts/automotive#programming-vin-firmware-updates) - [ECU/PCM Cloning](https://info.upfix.com/internal-uf-ts/automotive#ecu-pcm-cloning) - [CPC4](https://info.upfix.com/internal-uf-ts/automotive#cpc4) - [Power Steering Module](https://info.upfix.com/internal-uf-ts/automotive#power-steering-module) - [PTO](https://info.upfix.com/internal-uf-ts/automotive#pto) - [Mileage Correction](https://info.upfix.com/internal-uf-ts/automotive#mileage-correction) - [Tesla Wall Chargers](https://info.upfix.com/internal-uf-ts/automotive#tesla-wall-chargers) - [Tail Lights](https://info.upfix.com/internal-uf-ts/automotive#tail-lights) - [FICM](https://info.upfix.com/internal-uf-ts/automotive#ficm) - [LCM](https://info.upfix.com/internal-uf-ts/automotive#lcm) - [PCM](https://info.upfix.com/internal-uf-ts/automotive#pcm) - [TCM](https://info.upfix.com/internal-uf-ts/automotive#tcm) - [BCM](https://info.upfix.com/internal-uf-ts/automotive#bcm) - [ABS](https://info.upfix.com/internal-uf-ts/abs) - [App/Fit](https://info.upfix.com/internal-uf-ts/app-fit) - [HVAC](https://info.upfix.com/internal-uf-ts/app-fit#hvac) - [Refrigerator](https://info.upfix.com/internal-uf-ts/app-fit#refrigerator) - [Freezer](https://info.upfix.com/internal-uf-ts/app-fit#freezer) - [Dishwasher](https://info.upfix.com/internal-uf-ts/app-fit#dishwasher) - [Stove/Oven/Range](https://info.upfix.com/internal-uf-ts/app-fit#stove-oven-range) - [Treadmill](https://info.upfix.com/internal-uf-ts/app-fit#treadmill) - [Vent Hood](https://info.upfix.com/internal-uf-ts/app-fit#vent-hood) - [Microwave](https://info.upfix.com/internal-uf-ts/app-fit#microwave) [Back to home](https://info.upfix.com/internal-uf-ts) 1. [UF Auto TS](https://info.upfix.com/internal-uf-ts) 2. [App/Fit](https://info.upfix.com/internal-uf-ts/app-fit) 3. Microwave - [Automotive](https://info.upfix.com/internal-uf-ts/automotive) - [Instrument Cluster](https://info.upfix.com/internal-uf-ts/automotive#instrument-cluster) - [Programming VIN & Firmware Updates](https://info.upfix.com/internal-uf-ts/automotive#programming-vin-firmware-updates) - [ECU/PCM Cloning](https://info.upfix.com/internal-uf-ts/automotive#ecu-pcm-cloning) - [CPC4](https://info.upfix.com/internal-uf-ts/automotive#cpc4) - [Power Steering Module](https://info.upfix.com/internal-uf-ts/automotive#power-steering-module) - [PTO](https://info.upfix.com/internal-uf-ts/automotive#pto) - [Mileage Correction](https://info.upfix.com/internal-uf-ts/automotive#mileage-correction) - [Tesla Wall Chargers](https://info.upfix.com/internal-uf-ts/automotive#tesla-wall-chargers) - [Tail Lights](https://info.upfix.com/internal-uf-ts/automotive#tail-lights) - [FICM](https://info.upfix.com/internal-uf-ts/automotive#ficm) - [LCM](https://info.upfix.com/internal-uf-ts/automotive#lcm) - [PCM](https://info.upfix.com/internal-uf-ts/automotive#pcm) - [TCM](https://info.upfix.com/internal-uf-ts/automotive#tcm) - [BCM](https://info.upfix.com/internal-uf-ts/automotive#bcm) - [ABS](https://info.upfix.com/internal-uf-ts/abs) - [App/Fit](https://info.upfix.com/internal-uf-ts/app-fit) - [HVAC](https://info.upfix.com/internal-uf-ts/app-fit#hvac) - [Refrigerator](https://info.upfix.com/internal-uf-ts/app-fit#refrigerator) - [Freezer](https://info.upfix.com/internal-uf-ts/app-fit#freezer) - [Dishwasher](https://info.upfix.com/internal-uf-ts/app-fit#dishwasher) - [Stove/Oven/Range](https://info.upfix.com/internal-uf-ts/app-fit#stove-oven-range) - [Treadmill](https://info.upfix.com/internal-uf-ts/app-fit#treadmill) - [Vent Hood](https://info.upfix.com/internal-uf-ts/app-fit#vent-hood) - [Microwave](https://info.upfix.com/internal-uf-ts/app-fit#microwave) # Loud buzzing noise coming from the right side of the microwave after repair. Microwave still heats, should I test the magnetron? Check the Following: 1. Visual Inspection: - Check for any visible signs of damage or wear on the exterior of the microwave. - Inspect the door, hinges, and seals for any damage or misalignment that could cause leakage or interfere with proper closure. 1. Internal Inspection: - Remove the outer cover of the microwave (if possible) and visually inspect the internal components. - Look for any loose or damaged parts, such as the turntable, motor, fan blades, or electrical connections. - Ensure that the internal components are clean and free from debris that could cause friction or interference. 1. Test the Turntable: - Run the microwave with the turntable both on and off to determine if the noise is related to its operation. - Check the turntable motor and support mechanism for any issues that could cause excessive noise. 1. Check the Magnetron: - The magnetron is a component responsible for generating microwaves. Test it for any signs of malfunction, such as unusual noises or excessive heat. - Ensure that the magnetron is securely mounted and properly ventilated to prevent overheating. 1. Inspect the Fan and Ventilation System: - The fan and ventilation system help to dissipate heat and maintain optimal operating conditions. Check for any obstructions or damage that could impede airflow. - Run the microwave with the fan on to determine if the noise is coming from the fan motor or blades. 1. Test with Different Settings: - Run the microwave at various power levels and durations to see if the noise changes under different operating conditions. - Pay attention to any patterns or correlations between the noise and specific settings. 1. Electrical Inspection: - Ensure that the microwave is properly grounded and that all electrical connections are secure. - Test the power supply and voltage to ensure that it meets the manufacturer's specifications. - [KB Home](https://info.upfix.com/internal-uf-ts)