Question about Sharp R-520KS Microwave Oven

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Everything works. Time, fan, turntable, light. It

Everything works. Time, fan, turntable, light. It just will not heat.

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Magnetron and accompanying high voltage diode are usually to blame. Everything else works but the magnetron isn't resonating (providing the proper energy to excite your water molecules).
An appliance repairman can change it for you (typically $180) or you can get a new microwave.

Posted on Apr 12, 2011

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Posted on Jan 02, 2017

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Check this one out! My GE Profile microwave heats up but I don't hear the fan. However, the inside light and the turntable stopped working at the same time. Everything else seems to be working fine. What's...


hello,

this is a maize problem that wiring (wire) this means that your oven fan has been disconnected from it position

what you need to fix up your fan back is that you unscrew your oven trace the maize that supply A/C to the microwave

this maize is connected to different object but what by you are real after is your fan and the heater including the turntable .

trace the wire down to the fan to locate the loss wire from it position and do the fixing your self because it is same maize thaat link up both together i.e fan and turning table

please note before you can do this make sure that any form of power supply is put off.

Good luck and thank for using fixya.

May 02, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

MICROWAVE NOT HEATING


Most likely you have a magnetron problem. Easy to replace (DYI) but make sure the high voltage capacitor is fully discharged first against the case.

Dec 11, 2009 | Kenmore 62622 Microwave Oven

1 Answer

Not Heating. Fan, turntable, light working.


I would definitely suspect the door locking mechanism in this case. If it was the sensor it would start and then stop within a short time.

The starter switch should click if you have the door open and time it for 01.seconds and press start. So that is the secon component to think of.

Nov 26, 2009 | Sharp R-930AK Convection/Microwave Oven

1 Answer

Light, turntable and fan don't work


Possibly the light bulb has blown, which has blown on a track on the board which has taken out the turntable motor and the fan. Also, there could be a problem with the door switch.

Mar 27, 2009 | Panasonic Microwave Ovens

2 Answers

Over the range Frigidaire Microwave not heating. Model FMT148


This is a sure sign that the MAGNATRON needs replaced (this is what heats up the food) if every thing else works but food not cooking! 99% of time it is the magnatron!
Please rate answer!
THANK YOU!

Jan 12, 2009 | Microwave Ovens

1 Answer

Sharp 1870 just quit cooking and no turntable


The fact that the microwave and convection both do not heat indicated that the oven is in demo mode, check the user manual, otherwise it will possibly be a relay not triggering, may need a pcb replacement, check Demo mode 1st....Phil

Jan 08, 2009 | Sharp Microwave Ovens

1 Answer

GE microwave oven


Does the turntable rotate? If everything but this works (except no heat), you probably have a bad door switch. Here's a discussion of what's involved in replacing it: http://www.fixya.com/support/t267796-kenmore_microwave_hood_combination_over

If the turntable does rotate, I'd suspect a more significant failure, such as the transformer, capacitor, or magnetron. If it's any of these, it's time to replace the unit.

Dec 10, 2007 | GE JVM1650 1000 Watts Microwave Oven

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