Generic Microwaves Repair Guides
Free step-by-step repair guides for Generic microwaves.
Microwave Runs But Doesn't Heat
When a microwave runs (light on, turntable spinning) but food stays cold, the heating circuit has failed. The most common culprits are the high-voltage diode, the magnetron, or a door switch. The diode is the cheapest and easiest to replace.
⏱ 30-60 minutes💰 $0–$150
Microwave Making Buzzing Noise
A buzzing microwave can be caused by a struggling turntable motor, a failing magnetron, a loose vibrating panel, or a worn diode. Identify when the buzzing happens — only while running, only with food, or constantly — to narrow it down.
⏱ 10-30 minutes💰 $0–$40