Question about Sharp R-1480 Microwave Oven
Not heating jug of water. Light sometimes flashes on and off continually when opening door. when cooking the 1 minute option and pressing micropower 100% is shown on screen but water in jug is still cold at end of cooking time.
Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.
The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.
There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.
Posted on May 27, 2009
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Posted on Jan 02, 2017
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