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High Frequency Noise Troubleshooting Guides

Published FixGraph guidance for diagnosing and responding to high frequency noise.

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New GE Microwave High-Frequency Noise: Safe Checks After Installation

A constant high-frequency sound from a newly installed GE microwave is not enough to identify a failed capacitor, transformer, magnetron, or control board. First determine whether it is present while the microwave is idle, only while cooking, or only when a vent fan is running.

GE · Microwave · Appliance Repair