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Home Services Microwave Repair

Microwave Repair
San Antonio, TX

Is your microwave not heating, sparking inside, making strange noises, or completely dead? Screw Appliance Repair provides professional microwave repair in San Antonio for countertop, over-the-range, and built-in models.

FREE Diagnostic with Repair · $69 Diagnostic Only
Same-day service
Upfront pricing
Warranty on repairs

Microwave Repair Problems
We Solve Daily

When your appliance breaks down, you need fast and reliable repair you can count on. At Screw Appliance Repair, we diagnose and fix all common — and uncommon — microwave repair problems in San Antonio homes. Our experienced technicians carry the most common parts on their trucks, so most repairs are completed on the first visit.

Whether your appliance just started acting up or has been having issues for a while, give us a call. We'll diagnose the problem, explain exactly what needs to be done, and give you an upfront price before any work begins.

  • Not heating — runs but food stays cold
  • Sparking or arcing inside the microwave cavity
  • Turntable / carousel not rotating
  • Completely dead — no power at all
  • Unusual loud humming or buzzing noise
  • Touchpad buttons not responding
  • Digital display not working or dim
  • Door not closing or latching properly
  • Microwave runs but shuts off mid-cycle
  • Interior light not working
  • Fan not running during cooking
  • Clock or timer display issues

Don't see your problem listed? Call us at (830) 388-0333 — we fix nearly all microwave repair issues.

Why Is My Microwave Not Heating?

A microwave that runs but doesn't heat is usually caused by a failed magnetron, a blown high-voltage diode, or a faulty door switch. The magnetron is the component that generates the microwave energy — when it fails, the unit runs normally but produces no heat.

Important: Microwaves contain high-voltage capacitors that can store a dangerous charge even when unplugged. Never attempt to repair a microwave yourself — call a professional.

How Our Repair Process Works

Simple, transparent, and fast. Here's what to expect when you book a repair with Screw Appliance Repair in San Antonio.

1

Schedule Service

Call (830) 388-0333 or book online. We service countertop, over-the-range, and built-in microwaves in San Antonio.

2

Safe Diagnosis

Our trained technician safely discharges capacitors before inspecting components. We identify the fault and provide a clear upfront repair quote.

3

Repair & Test

We replace the faulty component and test the microwave for proper heating, door operation, and all controls before leaving. All work is warranted.

Microwave Repair Repair
Cost in San Antonio

The cost of microwave repair repair in San Antonio depends on the specific problem, the brand and model, and which parts need to be replaced. We always provide a detailed upfront quote before any work begins — you'll never be surprised by the final bill.

As a general guide, below are typical price ranges for common microwave repair repairs. Keep in mind that the diagnostic fee is FREE when you proceed with repair — just $69 if no repair is done.

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Repair TypeEstimated Cost
Diagnostic fee (waived with repair)$69
Door switch replacement$80 – $160
High-voltage diode replacement$90 – $170
Magnetron replacement$200 – $400
Control board replacement$150 – $320
Turntable motor replacement$80 – $160
Door latch / handle repair$80 – $160
Thermal fuse replacement$80 – $160
Touchpad replacement$120 – $230

* Prices are estimates only. Final cost depends on the specific issue, brand, and parts needed. Always confirmed before work begins.

Microwave Repair
Questions & Answers

Have a question about your appliance repair? Here are the most common questions we hear from San Antonio homeowners.

Call (830) 388-0333
  • Why is my microwave running but not heating?
    Most likely a failed magnetron, a blown high-voltage diode, or a faulty capacitor. These are the most common microwave repairs. Our technician will safely diagnose the cause.
  • Is it safe to use a microwave that is sparking?
    No — stop using it immediately. Sparking inside a microwave can be caused by metal accidentally left inside, a damaged waveguide cover, or a failing magnetron. Call us before using it again.
  • Is it worth repairing a microwave?
    It depends on the model and the repair. For over-the-range and built-in microwaves ($500+), repair is almost always worth it. For basic countertop models under $150, replacement may be more practical. We'll advise you honestly.
  • Can you repair over-the-range microwaves?
    Yes — we repair all types including countertop, over-the-range, built-in, and drawer microwaves. Over-the-range models often require removal, which we handle.
  • Why is my microwave sparking?
    Sparking is caused by metallic items inside, a damaged waveguide cover (the cardboard-like panel on the inside wall), or a burning magnetron. Stop using it and call us.

Need Microwave Repair Repair in San Antonio?

Call us now for same-day service, honest pricing, and a warranty on every repair. We're ready to help.

📞 (830) 388-0333 Book Online

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