Runs but does not heat
Several internal high-voltage components can cause loss of heating. Diagnosis is essential; components may remain dangerous even after unplugging.
THE REPAIR & CARE JOURNAL
Microwave Parts, Safe Use & Care
Understand the main components of your microwave, the user checks you can make and when to stop and call for help.
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Meet the main components
Use it well
Use suitable containers for each mode, follow food instructions and release steam carefully. Do not heat sealed containers. Metal accessories are permitted only in modes expressly allowed by the manual. Stop using an oven with sparks or door damage.
Keep the product manual and model reference where you can find them. Different programmes, accessories and maintenance procedures apply to different models, even within the same brand. Follow the instructions supplied with your appliance.
Routine care
Clean food splashes after the cavity cools, following the manual. Keep vents clear, avoid running the oven empty and use the correct accessories for each mode. Do not use abrasive tools on door seals or cavity coating.
Before routine cleaning, stop the appliance and follow its isolation and cooling instructions. Do not remove fixed protective panels. If a task is not described as user maintenance in the manual, arrange professional help.
Safe checks
- Check the timer, child lock and cooking mode using the manual.
- Use only cookware permitted for the selected mode.
- Check the turntable and support ring are seated correctly when cool.
- Never open the casing: stored high voltage can remain after unplugging.
Symptoms and what they may mean
Sparks inside the cavity
Stop the oven. Metallic items, damaged coating or waveguide-cover problems may cause arcing. Do not keep running it to see whether sparks stop.
Door or start button fails
Door alignment, interlock switches and controls may need attention. Never bypass an interlock or operate a microwave with a damaged door.
Turntable or convection fails
The coupling, turntable motor, fan or heater may be involved. Describe which cooking modes work and which fail.
When you need a repair
A safe inspection considers the door, cavity, controls and symptoms before internal components. High-voltage work requires a trained technician. Cavity or door damage can affect viability. After relevant repairs, appropriate safety and operating checks are important; ask what testing is included.