Microwave Repair Guides
Step-by-step DIY fixes for the most common microwave problems. Each guide is reviewed by an A-Fix technician before publishing.
Microwave Buttons Not Working: Membrane and Control Board Diagnosis
When your microwave keypad stops responding, the culprit is typically a worn-out membrane switch or a faulty control board. Follow this guide to safely inspect and replace these parts to restore your appliance.
Read the guideMicrowave Door Won't Latch or Stay Closed: Repair Guide
A microwave that won't latch is a significant safety concern and keeps the appliance from functioning. This article guides you through replacing damaged latch hooks, adjusting sagging hinges, and inspecting interlock switches.
Read the guideMicrowave Runs but Doesn't Heat Food: Fix Guide
If your microwave operates normally—lights on, turntable rotating—but your food remains cold, you are likely dealing with a failure in one of five high-voltage components: the magnetron, HV diode, HV capacitor, door switches, or a thermal cutout. While some repairs are manageable for homeowners, others are not. Specifically, the HV capacitor holds a dangerous electrical charge even after the unit is disconnected from power.
Read the guideMicrowave Sparking Inside: Causes and What to Do
Sparks inside a microwave are alarming but often simple to resolve. The primary culprit is typically a charred or soiled waveguide cover—the small mica panel located on the interior side wall. Other frequent triggers include food splatter, stray metal items, or a worn turntable hub. While most fixes involve simple cleaning or part replacement, some indicate larger mechanical issues.
Read the guideMicrowave Turntable Not Spinning: Easy Fixes
If your microwave isn't rotating, your food won't cook evenly. We will help you identify and resolve common issues, from sticky grease buildup to worn-out drive components, while keeping safety at the forefront.
Read the guideDon't have time to DIY?
Our certified technicians can repair your microwave fast. $90 flat diagnostic, applied to repair if you go ahead.