(858) 788-7973Book Service

Microwave Repair in San Diego

Built-in microwave not heating, drawer unit won't start, or sparking inside — get expert microwave repair service from OPUS, your trusted microwave repair near me in San Diego. We deliver same-day repairs for every type: Thermador, Wolf, KitchenAid, and all major high-end brands. Flat $80 diagnostic, OEM parts, 90-day guarantee on every job.

Same-Day Service OEM Parts 90-Day Guarantee Factory-Certified Locally Owned
Book a Repair Call Now
OPUS technician repairing a built-in microwave in San Diego
★★★★★ Top Rated on Google
Locally Owned
$80 Diagnostic Fee
90-Day Guarantee
Licensed & Insured
BBB A+ Rated
Since 2016
Our Technicians

Meet the team behind every repair.

Factory-certified technicians with hands-on experience across every major appliance brand. Each repair is backed by our 90-day guarantee.
Alex — Lead Technician at OPUS Appliance Repair
Alex
Lead Technician · 8 years
Sub-ZeroWolfCove
Yurii — Senior Technician at OPUS Appliance Repair
Yurii
Senior Technician · 7 years
VikingThermadorBosch
Andrew — Technician at OPUS Appliance Repair
Andrew
Technician · 4 years
GE MonogramKitchenAidMiele
Brands We Service

Factory-trained for your microwave brand.

WolfThermadorKitchenAidJenn-AirDacorElectrolux
Parts & Labor Guaranteed
90 days — if it breaks again, we fix it free
6 Months
$99
12 Months
from $199
Common Microwave Problems

Issues we diagnose and fix every week.

Microwave Not Heating

The turntable spins, the light is on, but food stays cold. A failed magnetron, a burned-out high-voltage diode, or a dead capacitor. We test the high-voltage circuit — magnetron, diode, capacitor, and transformer — to isolate which component has failed.

Sparking Inside the Cavity

Arcing and sparks usually mean a damaged waveguide cover, a metal fragment caught in the cavity, or a failing stirrer motor. Left unchecked it can burn through the cavity wall. We find the source of the arc and replace the damaged part.

Turntable Not Spinning

Food heats unevenly because the turntable motor has seized, the coupler is cracked, or the roller guide is jammed. We check the motor, coupler, and drive bushing and replace whichever has failed.

Microwave Won't Turn On

No display, no response to buttons — a blown thermal fuse, a failed door switch, or a dead control board. Microwaves have multiple interlock switches that cut power if the door isn't properly latched. We test the fuse, switches, and board to find the break.

Door Won't Open or Close

A stuck latch, a broken door spring, or a failed release button. On built-in units the door mechanism is under constant stress from the mounting frame. We replace the latch assembly or spring and test the interlock switches.

Microwave Runs but Shuts Off Early

The unit starts a cycle then cuts out after 2-3 seconds — usually a failing magnetron drawing too many amps, a tripping thermal cutout, or a faulty door interlock switch bouncing. We measure amp draw and test each safety switch.

Unusual Noises During Operation

Buzzing, humming, or rattling while running. A failing magnetron produces a loud hum, a worn turntable motor rattles, and a bad diode buzzes. Each sound pattern points to a different component — we isolate the source and replace it.

Display or Touchpad Not Working

Some buttons respond and others don't, or the display is blank. A failed membrane switch, a damaged ribbon cable, or a dead control board. We test the touchpad circuit and replace the panel or board as needed.

Microwave Overheating or Burning Smell

A burning smell means a component is failing under load — a deteriorating magnetron, a scorched high-voltage capacitor, or a seized cooling fan. Stop using the microwave immediately. We inspect the high-voltage components and replace whatever is overheating.

Repair in Action

See how we work.

Every repair starts with a thorough diagnostic — no guesswork, no shortcuts.
OPUS technician diagnosing a microwave in San Diego
Microwave diagnostic — testing magnetron and high-voltage circuit
OPUS technician repairing a Thermador microwave in San Diego
Built-in Thermador microwave — replacing a failed diode
OPUS technician completing a microwave repair in San Diego
Over-the-range microwave — repaired and running
How It Works

Four steps to a working microwave.

1

Call or Book Online

Call (858) 788-7973 or use our online form to schedule microwave repair service. Tell us the brand, whether it's built-in, over-the-range, or drawer — we'll send the right tech with the right parts.

2

$80 Diagnostic

Your technician inspects the magnetron, high-voltage circuit, door switches, control board, and cavity. You get a written quote before anything is replaced. The $80 covers the full inspection.

3

Same-Day Repair

Approve the quote and we start right away. The $80 diagnostic comes off your total. Most microwave repairs finish in under an hour with OEM parts from the truck.

4

90-Day Guarantee

Parts and labor guaranteed for 90 days. Same issue comes back? We return at no charge. Extended plans available: 6 months ($99) or 12 months (from $199).

What San Diego homeowners say

Real microwave repairs. Real reviews.

★★★★★

Our Thermador built-in microwave stopped heating overnight — the turntable spun and the light worked but food came out cold. Another company quoted us $1,200 for a new magnetron plus labor. OPUS tested the full high-voltage circuit and found it was actually a $90 high-voltage diode, not the magnetron. Replaced the diode with an OEM Thermador part and the microwave heats perfectly now. The $80 diagnostic came off the bill. Saved us over $1,000.

J
Jennifer & Scott H.
Del Mar
★★★★★

Our KitchenAid over-the-range microwave was sparking inside every time we used it. We stopped using it out of fear of a fire. The OPUS tech found a cracked waveguide cover — grease had seeped through and was arcing against the cavity wall. Replaced the cover, cleaned the burn marks from the cavity, and tested it at full power. No more sparking, runs perfectly. Fast, professional, 90-day guarantee.

D
Daniel R.
Coronado
★★★★★

Our Wolf drawer microwave wouldn't power on at all — completely dead display. We assumed the control board was fried. OPUS diagnosed a blown thermal fuse triggered by a ventilation blockage behind the unit. Cleared the blockage, replaced the fuse, and the microwave powered right up. Could have spent $600 on a board we didn't need. Locally owned, honest diagnosis, and the $80 diagnostic applied to the repair.

P
Patricia & George L.
La Jolla
FAQ

Microwave repair in San Diego — common questions answered.

My microwave runs but doesn't heat food — when should I call for microwave repair service?
When your microwave not heating occurs while the unit runs, it almost always has a high-voltage circuit failure — the magnetron, the high-voltage diode, or the capacitor are the usual culprits. The magnetron generates the microwaves that heat food; the diode and capacitor supply it with power. For San Diego microwave repair, our tech tests all three components to find exactly which one has failed before recommending the repair.
What is the microwave repair cost in San Diego?
Every visit starts with an $80 diagnostic — your tech inspects the microwave, identifies the failure, and gives you an itemized quote before any work begins. Approve the repair and the $80 comes off your total. Typical microwave repair cost falls between $200 and $500 depending on the brand and failed component for built-in, drawer, and over-the-range models near you.
Is it worth repairing a microwave versus buying new?
Countertop microwaves under $300 are often cheaper to replace than repair. But is it worth repairing a microwave when it's built-in, drawer, or over-the-range? Absolutely — units from brands like Thermador, Wolf, and KitchenAid cost $800 to $2,500 to replace, while most failures run $150 to $400 to repair. Our tech gives you the math so you can decide with real numbers.
My microwave is sparking inside — what should I do?
Stop using it immediately. Microwave sparking inside is usually caused by a damaged waveguide cover, a metal fragment in the cavity, or a failing stirrer motor. Continued use can burn through the cavity wall or damage the magnetron. We find the arc source and replace the damaged component quickly.
What microwave brands do you service in San Diego?
OPUS provides microwave repair san diego for Wolf, Thermador, KitchenAid, Jenn-Air, Dacor, and Electrolux. Thermador and KitchenAid built-in microwaves are our most common microwave repair san diego calls — we carry brand-specific magnetrons, diodes, and control boards on the truck for same-day repair.
My microwave door won't open — can it be fixed?
Yes. A stuck door is usually a broken latch spring, a failed release button, or a jammed interlock hook. On built-in units the door mechanism takes extra stress from the mounting frame. We replace the latch assembly and test all door interlock switches to make sure the safety circuit works properly.
Can you repair built-in and drawer microwaves?
Yes — built-in, over-the-range, and drawer-style microwaves from all major high-end brands. Built-in and drawer units have unique mounting, ventilation, and electrical requirements that differ from countertop models. Our techs are factory-trained on each configuration.
My microwave makes a loud buzzing noise — what does that mean?
A loud buzzing or humming during operation usually points to a failing magnetron or a bad high-voltage diode. A rattling sound is more likely a worn turntable motor or a loose fan blade. Each sound pattern tells us which component to test first.
The display on my microwave is blank but it was working yesterday — what happened?
A sudden blank display is typically a blown thermal fuse, a tripped circuit breaker, or a failed control board. Thermal fuses blow when the microwave overheats — often from blocked ventilation. We test the fuse, check the vent path, and replace the failed component.
What does the 90-day microwave repair guarantee cover?
Every OEM part we install and the labor behind it — guaranteed for 90 days from the date of repair. If the same issue returns within that window, we come back at zero cost. No second diagnostic fee, no parts charge. Extended coverage is available: 6 months for $99 or 12 months starting at $199.
Service Areas

Professional microwave repair in San Diego County.

La JollaRancho Santa FeDel MarCoronadoPoint LomaEncinitasSolana BeachEscondidoPowayCarlsbadOceansideSan MarcosVistaChula VistaLa MesaMira MesaSan Diego (Hub)
Get Started

Find microwave repair near me in San Diego today

Same-day microwave repair service for built-in, drawer, and over-the-range units across San Diego County. Thermador, Wolf, KitchenAid specialists. Flat $80 diagnostic credited toward your repair. Locally owned and serving San Diego families since 2016.

Schedule Your Repair

Hours: Mon–Sun, 7 AM – 9 PM

(858) 788-7973
Available Today — Same-Day Service