If the supply of electricity is no problem , the basic is the aging of the magnetron . This can be swapped magnetron test machine can also be used to measure the magnetron filament resistance is normal and to see whether the split magnets and other methods to confirm. For magnetron aging caused by insufficient heating failure, usually only a good replacement tube is a more perfect solution. In addition , significantly reduced if the high voltage capacitance , makes the magnetron anode voltage and output power decreased, can also cause insufficient heating , but usually less likely to encounter this situation , the failure of a large high-voltage capacitors are breakdown or disconnection .fVpservice manual download site

    In particular , in practice we often find fault with inadequate heating 220V line voltage , and often with some confusing that the mains voltage is normal, but there is a big power line resistance or contact resistance , a microwave at work large current flows through the wire or connector is formed on a large pressure drop, the actual work of the furnace is obviously insufficient power supply voltage , thereby heating the slow emergence phenomenon . Greater resistance power lines are commonly found in power strip , fuse holder , power line or power line connector , although resistance is large, but often normal load measuring voltage , so with concealed confusing . Many families with varying degrees there are indoor power line or a bad connection with the material , the use of too small power cord, power strip or electrical outlet poor quality case, so be sure to pay attention in the maintenance and the first to solve this problem , in order to avoid more detours . Measure the mains voltage to be measured with a load voltage , load voltage alone would not make a judgment.fVpservice manual download site

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