Microwave Repair in Toronto & the GTA

We see built-in and over-the-range microwaves across Toronto and the GTA that no longer heat, arc inside the cavity, stall the turntable, buzz loudly, or read the door as open.

  • Microwave repair
  • Most repairs finished on the first visit
  • Built-in and over-the-range units only
60-Day Parts & Labour Warranty4,530+ repairs completed since 2013
Call for Microwave Repair
  • Same-day service available
  • Licensed & Insured
  • 13+ Years Experience

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Microwave

Service call $120 + HST covers the full diagnosis. Written quote before any work — or call+1 (416) 885-0963.

  • Same-day slots across Toronto and the GTA — typical arrival ~60 minutes
  • Service call $120 plus HST covers the full diagnosis, not just a look
  • 60-Day Parts & Labour Warranty — the terms are printed on your invoice
  • OEM parts by default on built-in and luxury appliances
  • Insured — $2M Liability, underwritten by Wawanesa
  • 4,530+ repairs completed since 2013
  • Mon–Sun 8:00 AM – 9:00 PM — we call back within 15 minutes
  • Written quote before any work starts — seniors save $50

Jump to your symptom:

We repair built-in and over-the-range microwaves across Toronto and the GTA — the units fitted into cabinetry, where replacement means matching a trim kit and an opening. Countertop microwaves we honestly do not repair: a new one usually costs less than the visit. Service call $120 plus HST, 60-day parts and labour warranty.

  • We turn down countertop microwave repairs on the phone, because the honest answer is that a new unit costs less than the visit.
  • On over-the-range units, cavity noise and vent-fan noise sound nearly identical through cabinetry — and cost very different amounts, so we separate them before quoting.
— Not heating

Why does my microwave run but not heat?

A microwave that lights up and turns but leaves food cold has lost its high-voltage side — magnetron, diode, capacitor or transformer. This is not a DIY repair: the capacitor holds a lethal charge long after the unit is unplugged.

Likely causes

  • Magnetron failed at the end of its service life
  • High-voltage diode shorted
  • Capacitor failed
  • Door interlock switch preventing the high-voltage circuit from engaging
  • Control board no longer triggering the transformer

What we do

We discharge the capacitor before anything else, then test the high-voltage components in order. On a built-in unit we give you a straight comparison: repair cost against the cost of a replacement that also fits the existing opening and trim kit.

What affects the cost

Diodes and switches are inexpensive. A magnetron is the significant part, and on an older unit it is the point where the conversation turns to replacement.

— Sparking

Why is my microwave sparking inside?

Stop using it. Sparking usually means the waveguide cover has burned through or metal is exposed inside the cavity — both can damage the magnetron within minutes of continued use.

Likely causes

  • Waveguide cover burned or carbonised
  • Cavity paint chipped, exposing bare metal
  • Metal object or foil left inside
  • Rack support damaged
  • Food residue burned onto the cavity wall

What we do

We replace the waveguide cover with the correct material rather than a generic patch, and repair or refinish exposed cavity metal. Continuing to run a sparking microwave is how a cheap repair becomes a magnetron replacement.

What affects the cost

Waveguide covers are inexpensive and the labour is short — provided it is caught before the magnetron takes damage.

— Turntable

Why has my microwave turntable stopped turning?

A turntable that has stopped is almost always the drive motor or the coupler underneath the glass tray. It does not affect heating, but it does mean food heats unevenly, which people usually notice before they notice the tray.

Likely causes

  • Turntable motor failed
  • Drive coupler cracked or worn
  • Roller ring damaged or missing
  • Debris under the tray jamming rotation
  • Tray not seated on the coupler correctly

What we do

We check the coupler and roller ring first, since both are inexpensive and account for most cases. The motor gets tested rather than assumed.

What affects the cost

One of the cheapest repairs we do — couplers and roller rings cost very little.

— Loud buzz

Why is my microwave buzzing loudly?

A microwave that has become noticeably louder is usually telling you about its magnetron or transformer. A loud buzz combined with weak heating is a fairly reliable sign the magnetron is on its way out.

Likely causes

  • Magnetron degrading — noise plus reduced heating
  • High-voltage transformer humming under load
  • Cooling fan blade contacting its shroud
  • Over-the-range vent fan bearing worn
  • Mounting hardware loosened, transmitting noise into cabinetry

What we do

We separate cavity noise from vent-fan noise first — on over-the-range units they sound similar through cabinetry and have completely different costs. Then we test heating performance to confirm whether the magnetron is actually failing.

What affects the cost

Fan and mounting work is inexpensive. A failing magnetron or transformer on an older unit usually favours replacement.

— Door switch

Why will my microwave not start when the door is closed?

Microwave doors have several interlock switches in series, and if any one of them fails the unit will not run at all. It is a safety design working as intended — and the switches themselves are inexpensive parts.

Likely causes

  • One of the interlock switches failed
  • Door hinge or latch worn, so the switches are not being pressed fully
  • Door alignment shifted, common on over-the-range units
  • Control board not reading the interlock circuit

What we do

We replace interlock switches as a set and correct the door alignment that wore them out. Replacing one switch on a misaligned door just moves the failure to the next switch in the chain.

What affects the cost

Interlock switches are inexpensive with quick labour. Door assembly replacement on a built-in is the costly exception.

— Pricing

Simple, honest pricing

  • Service call & diagnostic$120 + HSTCovers the visit and full diagnosis
  • Written quote on-siteBefore any workNothing proceeds until you approve it
  • Senior discount$50 offMention it when booking

What affects the repair price

  • The part itself — a door switch and a sealed-system component are different worlds.
  • Age and brand — luxury built-ins need factory-spec parts, and those cost more.
  • Access — a stacked unit in a condo closet takes longer to reach than a free-standing machine.

We do not publish repair price ranges. Senior Discount — $50 applies on top of the quoted job, and there are no trip surcharges or weekend premiums.

— Any brand

Brands we fix most often

We carry OEM parts for the brands below and several hundred more. On built-ins we fit factory parts only.

— How the visit works

From your call to a working appliance

  1. Booking confirmation on a phone in a kitchenStep — 01

    You call or book online

    We confirm the appliance, the symptom and your postal code, and call back within 15 minutes in business hours.

  2. Technician at a front door with a tool caseStep — 02

    Technician arrives with parts on board

    The van carries the components that fail most often on the brands we see daily.

  3. Meter probes on an appliance terminal block beside a quote padStep — 03

    Diagnosis, then a written quote

    You see the number before any work begins, and nothing proceeds until you approve it.

  4. Replacement pump being fitted, the worn part set asideStep — 04

    Repair and test cycle

    We run the appliance before leaving and log the job number that activates your 60-day parts & labour warranty.

— FAQ

Microwave Repair questions

Do you repair countertop microwaves?

No, and we will tell you that on the phone rather than charging a visit to reach the same conclusion. A replacement countertop microwave typically costs less than the service call plus parts. Built-in and over-the-range units are a different story, because replacement means matching an opening and a trim kit.

Is a failed magnetron worth replacing?

On a built-in or over-the-range unit under about seven years old, often yes — especially when a replacement would mean matching cabinetry. On an older unit, or one where the transformer is also tired, we advise replacement and tell you plainly why.

Is a sparking microwave dangerous?

It should be stopped immediately. Sparking means exposed metal or a burned waveguide cover, and continuing to run it damages the magnetron — turning an inexpensive repair into an expensive one. Unplug it and call us.

My over-the-range microwave vents poorly. Can you fix that?

Yes. Weak venting on OTR units is usually the fan, the damper or a duct problem, and it is separate from anything to do with heating. We check whether the unit is set to recirculate when it should be ducted — a surprisingly common install error.

Microwave down? We can be there today.

Call +1 (416) 885-0963or book online
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