Hitachi Microwave Not Heating
The high-voltage circuit, meaning the magnetron, diode, capacitor and transformer, powers the heating. We discharge the capacitor safely, test each part and replace only what has failed.

Independent specialists for Hitachi solo, grill and convection microwaves.
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Hitachi microwaves are dependable, and most faults are standard microwave repairs: magnetron, door switches, fuse or turntable motor. We diagnose them safely.
The high-voltage circuit, meaning the magnetron, diode, capacitor and transformer, powers the heating. We discharge the capacitor safely, test each part and replace only what has failed.
A dead microwave with no display usually has a blown fuse caused by a failed door switch. We replace both to prevent a repeat.
Hitachi convection microwaves combine a microwave with a hot-air heater and fan at the back of the cavity. If the microwave heats but convection baking stays pale, the convection heater or its fan motor has failed. If convection works but microwave mode does not, the high-voltage circuit is at fault.
Convection models get hotter than solo microwaves, so keep the vents clear and clean grease off the rear panel to protect the fan motor.
Our Hitachi process:
Keep the vents on the side and back of a Hitachi microwave clear, because the magnetron and transformer rely on the cooling fan. Clean the cavity and waveguide cover regularly so grease cannot burn and cause sparks. On convection models, let the microwave cool between long baking sessions to protect the heater and fan.
Yes. See Hitachi fridge repair.
The convection fan may be slow or the heater partly failed. We test both.
Usually about an hour.
For door switches, fuses and turntable motors, yes. For a magnetron on an older basic model, we will compare it honestly with a new one.
A burned waveguide cover or damaged cavity. Stop using it until it is repaired.
No. We are an independent repair company specializing in Hitachi appliances. If your Hitachi microwave is under manufacturer warranty, contact the official Hitachi service center first. For out-of-warranty repairs, we offer same-day visits across Dubai.
Book a technician today. Same-day visits across Dubai, with an itemized quote before any work starts.