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(858) 788-7973

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
OPUS technician holding a magnetron during a built-in microwave repair in San Diego
Call NowBook a Repair
Call before 2 PM today for same-day service in San Diego County
Locally Owned Since 2016
Factory-Certified for 17 Brands
$80 Diagnostic — Applied to Repair
90-Day Parts & Labor Guarantee
OEM Parts on Every Truck
Licensed & Insured
Our Technicians

Meet the team behind every repair.

Factory-certified microwave repair technicians — built-in, drawer, and over-the-range units. Magnetron, waveguide, and control-board work that keeps the OEM warranty valid.
Yurii — Owner and Lead Technician at OPUS Appliance Repair, San Diego
Yurii
Owner & Lead Technician · 7 years
Sub-ZeroWolfMiele
Andrew — Senior Appliance Repair Technician at OPUS Appliance Repair, San Diego
Andrew
Senior Technician · 7 years
ThermadorVikingKitchenAid
Paul — Appliance Repair Technician at OPUS Appliance Repair, San Diego
Paul
Technician · 3 years
BoschGE MonogramJenn-Air
Alex — Senior Appliance Repair Technician at OPUS Appliance Repair, San Diego
Alex
Senior Technician · 6 years
Fisher & PaykelDacorCove
Join the team

We’re growing — looking for high-end appliance technicians

Hands-on experience with Sub-Zero, Wolf, Miele, Thermador, or Viking? OPUS is hiring factory-trained pros across San Diego County. Established routes, fair pay, factory training support.

(858) 788-7973info@opusappliancerepair.com
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.

What's Covered

What you get when we service your microwave.

Microwave repair complexity varies — a fuse swap, a magnetron replacement, or a touchpad rebuild are different jobs entirely. Here's what's guaranteed on every microwave service call we run, built-in or over-the-range.

Written microwave quote, signed before any work
After diagnosing your microwave (magnetron output, HV transformer voltage, capacitor capacitance, door-switch continuity), we send a written quote with parts, labor, and timeline. No work starts until you approve it in writing.
$80 microwave diagnostic, applied to repair
The flat $80 covers a complete microwave diagnostic — magnetron output, HV transformer voltage, capacitor capacitance, door-switch continuity. Approve the repair and the $80 comes off the total.
OEM microwave parts only
Genuine manufacturer parts via the authorized distributor network — magnetrons, HV transformers, door switches, turntable motors, touchpads. No aftermarket substitutes that void your warranty.
90-day microwave guarantee, parts and labor
If the same heating, door, or display issue returns within 90 days, we come back at no charge — no second diagnostic fee, no parts cost, no questions.
One visit on most jobs
We carry the most common microwave parts on the truck — door switches, turntable motors, fuses — so most repairs finish on the first visit. Special-order parts get a firm timeline.
Full microwave type coverage
We service over-the-range, built-in, drawer microwaves, speed ovens, combi microwaves. Same diagnostic process, same OEM parts, same 90-day guarantee on every type.

Microwave repair pricing depends on the failure mode (magnetron output, parts required, and labor scope). That's why we diagnose first and quote in writing — the $80 is your only upfront commitment.

Repair in Action

See how we work.

Every repair starts with a thorough diagnostic — no guesswork, no shortcuts.
Built-in microwave service by OPUS in San Diego
Built-in microwave service
Built-in microwave diagnostic by OPUS in San Diego
Built-in microwave diagnostic
Under-counter microwave service by OPUS in San Diego
Under-counter microwave service
How It Works

Four steps to a working microwave.

1

Call or book your microwave repair

Tell us the microwave brand, model, and what's happening. Call (858) 788-7973 or book online — before noon for same-day service.

2

$80 microwave diagnostic

Full diagnostic on your microwave — magnetron, HV transformer, door switch, or touchpad. Written quote before any work. The $80 is applied toward your repair.

3

Same-day microwave repair when possible

Approve the quote and we start immediately. Most microwave repairs finish in one visit with OEM parts from the truck.

4

90-day microwave guarantee

Parts and labor on the microwave guaranteed for 90 days. Same issue returns? We come back free — no second diagnostic, no parts cost.

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?
Almost always a high-voltage circuit failure — magnetron, high-voltage diode, or capacitor. Call as soon as you notice it: running a non-heating microwave can damage the control board over time. 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?
Basic countertop microwaves 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 are expensive to replace, while most failures are well within reasonable repair territory. Our tech gives you the math after diagnostic, so you can decide with real numbers from your specific unit.
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.
What other microwave brands do you service in San Diego?
Beyond high-end brands like Wolf and Thermador, we service built-in, drawer, and over-the-range microwaves from KitchenAid Architect Series, Jenn-Air NOIR, Dacor Modernist, Electrolux ICON, and GE Monogram Advantium speedcook. Covered across Del Mar, Encinitas, and the rest of San Diego County.
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
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