Oven Repair
Ovens that will not heat, heat unevenly, fail self-clean or throw a code, gas and electric, range and wall ovens.
DetailsMicrowave repair in Jacksonville, over-the-range and built-in
Microwaves store a dangerous charge in their high-voltage circuit even when unplugged, which is why the repair belongs with a technician. The usual failures, though, are a handful of well-known parts.
- Over-the-range and built-in
- Drawer microwaves
- High-voltage safe
Updated October 2026
Quick answer
Microwave repair in Jacksonville usually means a failed high-voltage diode, capacitor or magnetron, a blown fuse, a door switch, or a keypad and control fault. We discharge the circuit safely, test each part, and tell you whether the repair makes sense against replacing the unit.
Why a microwave runs but does not heat
A microwave that lights up, spins and hums but leaves food cold has lost its high-voltage side: the magnetron, the high-voltage diode, the capacitor or the transformer. A microwave that does nothing at all usually blew a fuse, often because a door switch failed. Each of those has a specific test.
Over-the-range and built-in microwaves cost more than countertop units, and they also serve as the range hood or fit a trim kit, which is why repairing them often makes more sense than replacing them. On a cheap countertop microwave we will tell you plainly if replacement is the better choice.
Cost
What microwave repair costs
Microwave repairs range from a door switch or fuse to a magnetron. The range here is national cost data for microwave repairs. Countertop microwaves are rarely worth a magnetron repair; over-the-range and built-in units often are.
- Type of microwave. Built-in and drawer units have pricier parts.
- High-voltage parts. A diode costs less than a magnetron.
- Removal from the wall. Over-the-range removal adds labor.
- Vent fan and light. Usually modest repairs.
$50 to $400Typical national repair range
Planning range from published cost data (homeadvisor.com), not a quote and not our price. Your number depends on the diagnosis and the part.
DIY or call
Microwave: what you can and cannot do
| Task | Safe to try yourself | Call a technician |
|---|---|---|
| Not heating | Nothing safe to try | Always |
| Vent fan noisy | Wash the grease filters | If it stays loud |
| Turntable stopped | Reseat the plate and roller ring | If it still does not turn |
| Sparking | Stop using it | Always |
The jobs this page covers
01
Over-the-Range Microwave Repair
Over-the-range microwaves double as the range vent, so a failed vent fan or light is as common a call as a heating problem. Many repairs can be done with the unit on the wall, but magnetron and transformer work usually means taking it down onto a padded counter. We support it during removal and remount it on its wall plate afterward. While it is down we check the grease filter and the charcoal filter, because clogged filters overheat the vent fan motor.
02
Built-In and Drawer Microwaves
Built-in microwaves sit in a trim kit in the cabinetry, and drawer microwaves slide out under the counter on their own rails and motor. Drawer models add a drawer motor, a gear rack and sensors that tell the drawer when it is open or closed, and those wear with use. We slide built-ins out of the trim to service them and test drawer mechanisms through several open and close cycles before we call the repair done. A drawer that hesitates on the first try usually has a worn gear rack.
03
Microwave Not Heating
A microwave that runs without heating has lost its high-voltage circuit. We discharge the capacitor before touching anything, then test the diode, the capacitor, the magnetron and the transformer, along with the thermal cutouts that shut the magnetron off when it overheats. A shorted diode is common and inexpensive. A magnetron is a larger repair, and on an older or low-cost unit we will tell you if replacement is the better value before you spend money. Every repair ends with a timed water heating test.
What is included
What our microwave visit covers
- Safe capacitor discharge
- Fuse and door switch tests
- Diode, capacitor and magnetron tests
- Vent fan and light check
- Grease and charcoal filter check
- Water heating output test
Microwaves above Jacksonville gas ranges
Many kitchens around Jacksonville use an over-the-range microwave as the only vent over a gas range, so its fan carries heat, steam and grease every night. When that fan gets loud or slows down, we clean or replace the grease filters at the same visit and check that the microwave is set to vent outside or to recirculate the way it was installed.
Step by step
How we repair a microwave safely
- 1
Discharge
The high-voltage capacitor is discharged first.
- 2
Test the circuit
Fuse, switches, diode, capacitor, magnetron.
- 3
Repair or advise
Repair price, or a straight answer to replace.
- 4
Heat test
A water heating test to confirm output.
WhirlpoolGESamsungLGFrigidaireMaytagKitchenAidBoschElectroluxKenmoreSub-ZeroWolfThermadorSpeed Queen
Microwaves we repair: GE, Whirlpool, Samsung, LG, Frigidaire, KitchenAid, Bosch and Sharp-built drawer units.
FAQ
Microwave Repair questions
No. The capacitor holds a charge that can be deadly even when the microwave is unplugged. This is a job for a technician.
Metal inside, a damaged waveguide cover or food buildup on the cavity walls. Stop using it until it is checked.
Often a blown fuse caused by a failed door switch.
Often yes, because it also vents the range and replacing it means remounting. We give you the repair price first.
Yes. See our microwave installation page.
Also on the list
Related repairs
Stove and Cooktop Repair
Gas burners that click without lighting, electric coils and glass radiant elements that will not heat.
DetailsInduction Cooktop Repair
Induction zones that will not detect the pan, throw codes or shut off, repaired at the board and fan level.
DetailsRange Hood Repair
Range hood fans, lights and controls repaired, plus grease cleanup and weak-draw diagnosis.
DetailsMicrowave running cold?
Call and tell us the type: over-the-range, built-in, drawer or countertop. We will tell you if it is worth fixing.