Microwave dead, no heat, or sparking? Safety-first troubleshooting here.
Post title must be: brand + full model number + main symptom
Example: “Panasonic NN-SN686S no heat but runs”
Body checklist:
• Exact symptom timeline
• Burn marks, arcing spots, or wave-guide photo
• Parts tested or replaced
• Reminder: discharge capacitor before testing
Before posting, run a quick search in this forum to see if your issue is already solved. If you suspect a bad part, paste the exact AppliancePartsPros.com product URL so others can confirm it fits your model.