Welcome to Justanswer … my name is Kevin and I will help you today!
I’m sorry to hear you're having trouble with your appliance; I know that can be frustrating.
Hopefully, we can get this resolved quickly.
As everything else works fine it is likely the HV Diode and/or the Magnetron is faulty and will need replacement.
If it is only the Diode the cost of repair will be around £110 however, if Magnetron has failed the repair will cost around £200.
You can order the parts by clicking on the parts name above.
Let me know how it goes.
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If you have any further questions, don't hesitate to ask!
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