Question about GE JES738 Microwave Oven

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New microwave not starting

I bought GE microwave in US and using in INdia.I first started the microwave the fuse gone up.After i bought a 220 to 110 voltage converter and started for the second time.All display,light, timer works but when i start time cook it starts and stops within fraction of second.

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Re: New microwave not starting

Chances are the oven is designed for 60HZ and your supply is 50Hz. This will cause the unit to shut down because it thinks it is not getting the proper "interrupt" signal from the power line. You can check the owner's manual (or model number tag) and the manual for the converter.

Posted on Apr 23, 2007

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I replaced the line fuse in my GE JVM1790SK01 microwave, but it blew again as soon as i tried to start it. the display came on, but blew the fuse as soon as i hit start i start.

Yes... Not very sophisticated... but that is what these beauties do when their Magnetron finally gives up the ghost (major cause).

They are wonderful machines!

AP3883525 (WB27X10865)... approximately $104... at appliance parts pros

If you love them... you know what you need to do.


Very good... you have an excellent beginning.

Keep up the good work.

These "parts" can be EARLY failed... by putting very small
pats of butter... or ting amounts of fluid. I watched my sisters grand children using her "NEW" microwave to soften pats of butter.

A word to the wise wasn't heard... and now she has another "NEW" Microwave.

Good luck... save $$$

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Disconnect it and connect bac to power. check the fuse. If nothing works is either the fuse, the cable or the power supply unit.

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You might have a problem with one of the micro-switches in the door sequence. If one of the micro-switches has gone bad, it usually causes a short and that is what blows the fuse. If you have access to a meter, you can check the continuity of each switch and figure out which one is bad and replace it. Just remember to unplug your microwave before attempting any repairs. Usually, there are 3 switches and 2 of them usually are normally open switches and the 3rd is a normally closed switch. Hope this helps!

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The fuse is there to protect your home in case something has gone wrong inside your microwave. Since the fuse has blown twice, you can safely assume that there is something wrong inside. It may be fixable, it may not be economic to fix it. Impossible to troubleshoot electronics without the unit and test equipment.

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