Safety Issue — Do not use this appliance. Call immediately.(818) 718-9373
Issue-Specific Repair
Sub-Zero Microwave Arcing from Magnetron Antenna in Culver City, Malibu & Calabasas, CA
Is your Sub-Zero Microwave arcing from magnetron antenna? Local Culver City, Malibu & Calabasas technicians fix it fast — call (818) 718-9373.
CA Licensed & InsuredSame-day available90-day parts warrantyAll Los Angeles home types served
$100–$320
Typical cost
1–2 hours
Repair time
90-Day
Warranty
Mon–Sat 7am–8pm · Sun 9am–5pm
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$20 OFF
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ProFix Appliance Repair Los Angeles specializes in local Sub-Zero Microwave repair in Culver City, Malibu & Calabasas, CA. Arcing or sparks appear to be coming from the magnetron antenna area at the top of the cavity. Our neighborhood technicians carry the parts needed to fix it in a single visit and serve zip codes 90230, 90231, 90232, 90233, 90263.
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Call before noon for today's slot across all Los Angeles zip codes.
All Major Brands
Samsung, LG, Sub-Zero, Miele, Viking & 40+ more.
Upfront Pricing
Flat-rate quotes before work starts — no surprise charges.
90-Day Warranty
Parts & labor guaranteed. We return at no charge if needed.
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State-licensed, fully bonded & insured
HOA & Board Ready
Insurance certificates on request
Flexible Scheduling
Mon–Sat 7am–8pm · Sun 9am–5pm
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No hidden fees — price locked before we start
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Tech Arrives
Usually same day in a 2-hr window
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Diagnose & Quote
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Fix & Test
Repair done, tested before we leave
Related Services
Microwave Not Heating
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Runs Only a Few Seconds Then Stops
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Display Shows Wrong Time After Power Outage
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Available Now · Los Angeles, CA
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ProFix Appliance Repair Los Angeles — trusted by thousands of Los Angeles homeowners. Same-day slots available.
Why Is Your Sub-Zero Microwave Arcing from Magnetron Antenna?
Arcing or sparks appear to be coming from the magnetron antenna area at the top of the cavity.
Common Causes
- 1Magnetron antenna seal worn or cracked
- 2Food debris on the antenna tip causing arcing
- 3Magnetron beginning to fail internally
- 4Previous sparking event damaging the antenna
- 5Waveguide damage redirecting microwave energy to antenna area
How We Fix It
Stop using the microwave immediately. Our technician will inspect the magnetron antenna, waveguide, and cavity for damage.
- Diagnostic included when we do the repair
- Genuine Sub-Zero OEM parts
- Avg repair time: 1–2 hours
Typical repair cost: $100–$320
Average repair time: 1–2 hours · 90-day parts & 30-day labor warranty included
Other Sub-Zero Microwave Issues in Culver City, Malibu & Calabasas
Microwave Not HeatingSparking InsideTurntable Not SpinningDoor Won't Close / OpenDisplay Not WorkingMaking Loud NoiseWon't StartSparking Inside MicrowaveWaveguide Cover Burned or DamagedDoor Switch FailureDoor Not Closing ProperlyDoor Handle BrokenTurntable Making Grinding NoiseControl Panel Not RespondingRuns with Door OpenNoisy During OperationCooling Fan Not WorkingBurns Food Too QuicklyMicrowave Won't StartInterior Light Not WorkingOver-Range Microwave Ventilation PoorGrease Filter CloggedCharcoal Filter SaturatedError Code DisplayedIntermittent HeatingMicrowave Runs but No Magnetron PowerPopping or Crackling Noise During OperationOverheating and Shutting OffArcing from Metal RackFan Running After Microwave Is OffSome Display Digits MissingSparking from Turntable Tray AreaFood Heating UnevenlyClicking Sounds After CookingSteam or Condensation Inside MicrowaveBurning Plastic Smell from MicrowavePower Level Selection Not WorkingInverter Board Failure (Inverter Microwaves)Interior Light FlickeringMicrowave Tripping Circuit BreakerWater or Moisture in Control PanelError Code Indicating Thermal FaultSensor Cooking Not Working ProperlyChild Lock Won't DisableInterior Cavity Coating PeelingVentilation Fan Motor Failure (Over-Range)Runs Only a Few Seconds Then StopsDoor Won't Latch ClosedRuns at Wrong Power LevelKeypad Buttons StickingVent Damper Stuck Closed or OpenNo Sound / No BeepDisplay Shows Wrong Time After Power OutageGrease Fire Risk — Heavy Grease BuildupDoor Window CrackedUnusual Smell After Each UseHumidity Sensor Not Working (Sensor Cook)Door Seal / Gasket DamagedConvection Mode Not Baking Properly
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