Troubleshooting Guide

Commercial Microwave Troubleshooting Guide

Safe external checks you can perform, common problems and their causes, and when to call a factory-authorized technician for commercial microwave repair. Metro TV & Appliances is factory-authorized for Amana, Sharp, Panasonic, and Menumaster.

IMPORTANT SAFETY WARNING

Commercial microwaves contain high-voltage capacitors that can hold a lethal charge even when unplugged. NEVER attempt to open the cabinet or repair internal components yourself. The troubleshooting tips below cover external checks only. For any internal issue, call a professional technician at (402) 466-9090.

Not Heating

Uneven Heating

Sparking or Arcing Inside the Cavity

Display & Control Issues

Door Issues

Maintenance & Additional Questions

Need commercial microwave repair?

Metro TV & Appliances is factory-authorized for Amana, Sharp, Panasonic, and Menumaster commercial microwaves. We provide drop-off repair at our Lincoln service center with fast turnaround to minimize your equipment downtime.