Top-rated independent appliance repair on Oahu & the Islands
Microwave Repair — Book a Visit Today
Microwaves quit in a few familiar ways. The turntable spins but nothing heats. The door latch stops catching. Buttons go dead, or the display lights up while the fan roars and the food stays cold. Out here, salt air and kitchen humidity work on the sheet metal and the control board, so corrosion shows up more than people expect. A visit starts with the door interlocks, then the high-voltage side, the magnetron, the diode, and the touchpad ribbon. We test before we replace anything. If a part has to come across the water, we tell you that up front instead of letting you wonder. Built-in, over-the-range, countertop, drawer style, all major brands. Call us and describe what you heard.
Call (888) 857-9883- Real people on the phone
- 7 days a week
- Quote in writing before any work
Taking calls until 5:00 PM HST


The microwave symptoms we hear most
- It runs but the food comes out cold Magnetron, high-voltage diode, or capacitor failure
- Sparks and popping inside the box Burned waveguide cover, arcing, or damaged cavity paint
- Nothing happens when I press start Door interlock switch, blown fuse, or dead control board
- Loud grinding hum every time it cooks Failing cooling fan motor, stirrer motor, or worn turntable drive
- Some buttons work, others do nothing Cracked membrane touchpad or corroded ribbon connector
Safe things to check first
Worth a look before you call — sometimes it saves you the visit.
- 1Unplug the unit for a minute, plug it back in, and see if the display resets normally.
- 2Check that the door shuts flush and the latch clicks, since a loose door stops heating entirely.
- 3Test the outlet with another small appliance to rule out a tripped breaker or bad receptacle.
- 4Look inside for a scorched or cracked cover on the side wall, and stop using the microwave if you see one.
Guides & troubleshooting
What homeowners get from an independent shop
| Tunista Appliance Repair | Big-box repair chains | Handyman listings | |
|---|---|---|---|
| Quote in writing before a wrench comes out | ✓ | ✕ | ✕ |
| Live answer seven days a week | ✓ | ✕ | ✓ |
| All major brands, gas and electric | ✓ | ✓ | ✕ |
| No manufacturer targets to hit | ✓ | ✕ | ✓ |
| Local techs who know the housing stock | ✓ | ✕ | ✓ |
What homeowners say after the visit
“Booked online at night, callback the next morning. Smooth from start to finish.”
Tricia S.Aina Haina, HI“They had the dishwasher rack rollers on the truck. Twenty minutes, done, gone.”
Bruce K.Captain Cook, HI“The written quote listed the part number. I checked it online and the price was fair. Hired.”
Diane R.Kamehameha Heights, HIMicrowave Repair — quick answers
Is a microwave worth repairing at all?
Often yes, especially built-in and over-the-range units where replacement means cabinet work. Countertop models are more of a judgment call. We tell you what failed and how available the part is, then you decide with real information.
Why does it hum loudly but never heat?
That hum usually means the high-voltage side is trying and failing. Common culprits are the magnetron, the diode, or the capacitor. All three sit behind live components, so this is not a safe do-it-yourself test.
How long do parts take to arrive in Hawaii?
Depends on the part. Common fuses, switches, and fan motors are often on hand. Magnetrons and control boards for specific models may ship from the mainland, which adds days. We give you a realistic window when we diagnose.
Can salt air really hurt a microwave?
It can. Coastal moisture corrodes door switch contacts, ground straps, and board solder joints. We see it most in kitchens with open windows near the water. Cleaning and replacing corroded contacts is a routine part of the job.
Do you work on over-the-range and drawer microwaves?
Yes. Over-the-range units add a vent fan and light circuit that can fail on their own. Drawer models have their own rails and motors. Both need careful removal, so bring us in rather than wrestling one down alone.
Should I keep using it if it sparks?
No. Stop and unplug it. Arcing usually means the waveguide cover burned through or the cavity coating is damaged. Continuing to run it spreads the damage and can reach the magnetron. Call us and we will look at it.
How it works
- Step 1
Tell us the sound
Call us or fill in the form and describe what you hear, smell, or see. Puddle under the washer? Clicking from the fridge? Small details help us load the right parts before we drive out.
- Step 2
We look it over
Our tech opens the machine and tests for the real cause instead of guessing. Salt-eaten terminals and humid control boards hide well. You hear exactly what failed and which repair options make sense.
- Step 3
Fixed or scheduled
Many repairs finish on the same visit with parts off the van. When something has to ship in from the mainland, we tell you straight, order it, and keep you posted until it lands.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Built for salt airCoastal homes chew through appliances. We check for corroded connectors, rusted brackets, and moisture sitting in control boards, because fixing the symptom means little if salt keeps eating the same part next season.
- Humidity knows-howDamp trade wind air makes dryers work harder and vents clog faster. We clear the airflow path and test moisture sensors, then explain the small habits that keep your laundry room from fighting the weather.
- Straight talk on partsShipping across the Pacific takes time, and we say so up front instead of vanishing. You get realistic timing and a plan for the wait. If a machine isn't worth waiting for, we'll tell you that too.
- Independent and localWe are an independent repair company and we work on all major brands. No sales pitch for a new unit. Neighbors talking to neighbors, in plain words, about the machine sitting in your kitchen right now.
- All major brands, gas & electricWhirlpool, Samsung, LG, GE, Maytag, Bosch, KitchenAid and more, as an independent repair company.
- Straight answersWhen a repair doesn't make sense, we tell you, sometimes before we even roll a truck.
Microwave Repair
Small faults become big ones on a schedule of their own
Describe the symptoms and we'll book the visit — takes about a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →