A stainless microwave hood combination set between two white wall cabinets.

Start with what you own

Microwave
types,
told apart.

The same bowl of oatmeal can warm in four very different machines. A hood combination also pulls steam from the cooking surface below and wears filters, a fan and a lamp; a built-in or speed model is fixed into cabinetry and may carry a browning element and a convection fan; a microwave drawer opens on a motor and a track; a countertop unit is the simplest of all. Knowing which one sits in your kitchen narrows the search before the technician arrives.

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  • 4 types
  • Serviced in place
  • What each one costs

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What a repair
usually costs.

Weigh a repair against a new microwave for the same place, counting what it takes to put one there: the mounting plate and the two people for a hood combination, the trim kit and the matching finish for a built-in, the cabinet cutout for a drawer. Against that, switches, latches, fuses, lamps, filters and turntable parts are small, and even a magnetron or a board is usually worth it on those three. A countertop microwave is the one exception: nothing about the kitchen changes to replace it, so on a small, older unit a magnetron, a transformer or a main board is often where the technician suggests a new one instead, with both numbers in hand.

Microwave diagnostic visit: A microwave is priced once it has been tested with the power off.
Read the full cost guide
RepairRelative costNotes
Magnetron and waveguide cover moderate to highest A burned waveguide cover alone is a small part. A new magnetron is one of the dearest parts a microwave takes, and on a hood combination or a drawer that has to come out of its mounting the labor adds a step.
High-voltage diode, capacitor, transformer or inverter board moderate A diode or a capacitor is an inexpensive part, fitted once the stored charge has been drained and confirmed. A transformer or an inverter board costs a clear step more, and a shorted diode that took the magnetron with it moves the job toward the top.
Door interlock switches, latch or hinge low to moderate A set of interlock switches and the fuse they blew are small parts. A new latch, a hinge on a heavy built-in door or a full door assembly after a bend or a crack costs more, and a leakage reading closes every door job.
Turntable motor, coupler or roller ring lowest A coupler, a roller ring or a glass plate is among the least costly work on a microwave. The motor under the cavity floor is still a modest part, with a little more time when the unit has to come down from the wall to reach it.
Control board, keypad membrane or display moderate to highest A keypad membrane or its ribbon sits lower on the scale. A main board, especially one made for a single built-in or speed model and ordered from the maker, is among the costliest parts a microwave takes.
Exhaust fan motor, filters or heat switch low to moderate Washing the grease filters or fitting a new charcoal filter is the smallest job here. A blower motor, a speed relay or the automatic heat switch costs more, and a motor reached from above means lifting the unit off its mounting plate.
Lamp, socket, line fuse or thermal cutout low Bulbs, sockets, fuses and thermal cutouts are inexpensive parts. The cost follows what blew the fuse: when the cause is a door switch or a high-voltage part, that repair is priced with it.
Drawer drive motor, gear rack, slides or position switches moderate Clearing the track and setting the front square sit low. A drive motor, a gear and rack set or a pair of slides, fitted with the unit drawn out of its base cabinet, lands in the middle of the scale.
Convection element, hot-air fan, lamps or sensor moderate to highest A temperature sensor or a relay is a modest part. A convection element, a hot-air fan motor or a set of halogen lamps for a speed model costs more, and a board made for one premium model sits at the top.
A family warming plates of food at a built-in microwave in a bright kitchen
For the heart of your home.

Questions about
the types.

Which microwaves does this site cover?
Microwave hood combinations hung above the cooking surface, built-in microwaves in a tall cabinet or a trim kit including speed and convection models, microwave drawers under a counter or in an island, and countertop microwaves. The oven below a built-in combination belongs to our oven site, and a separate ducted hood with no microwave in it to the range hood site.
Is a hood combination repaired differently from a countertop one?
Yes, mostly because of how it is reached. A countertop unit comes to the technician, a hood combination often has to come down off its wall plate with two people, a built-in slides out of its trim kit, and a drawer adds a motor and a track. The magnetron, the door switches and the board behave the same in all of them.
Do microwave drawers fail in their own ways?
They share the magnetron, the high-voltage section and the board, but the door is a drawer that opens on a small motor, a gear and a pair of slides, with a touch panel on top. A drawer that stops opening or closing on its own is usually that mechanism or a crumb in the track, not the heating.
What about my microwave helps the technician most?
Which kind it is (hood combination, built-in or speed, drawer or countertop), who made it, its approximate age and its location: over the cooking surface, stacked above an oven, in an island or on a counter. With that we know which parts to bring and whether to send two people.

Back to your everyday

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