The noise doesnt have the same sound when the microwave works normally.
Normally your have 3 problem noises: a) power diodes b) high voltage capacitor c) magnetron see the diagram. i recomend you get help from some qualified service tech for fix it.
God bless you
SOURCE: when I open my microwave door, it starts running
.
In most cases, it's not actually cooking, but instead the fan, turtable and light may be on. Yet it does need attention.
What this usually means is that you have a shorted door switch or a bad door switch mount.
It's easy to tell if it's actually cooking, just place a cup of water inside and see if it heats.
If so, that could mean a stuck relay on the control board. If so, we repair these for customers nationwide with our guaranteed $39.95 service. Far less than a new board.
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
Please write back with more details if you need further help.
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: Buzzing noise, wont work???
The magnatron is shorting, overloading the high voltage transformer. From the picture this looks like an older unit and is probably not worth a magnatron replacement.
SOURCE: GE microwave Turnable turns on opening the door
Thanks for the photo of the label!
It shows the FCC ID number, which I used to find schematics at the FCC Web site.
The problem is a shorted primary interlock switch.
This is the door switch which has two black wires connected to one terminal and a black and a blue wire connected to the other
terminal.
See these files for help:
http://www.microwavedisplay.com/safety.txt
http://www.microwavedisplay.com/disassembly.txt
http://www.microwavedisplay.com/doorsw.txt
You can usually find
helpful exploded view diagrams and order parts by entering your full
model number here.
If a switch is all you
need, we offer a universal type for only $5 postpaid which you can
order here.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
SOURCE: GE Advantium 120 Microwave fan stays on, off only when door open
Looking at the schematic in the service manual here, I would say relay RY6 on the small sub PCB (relay board) has shorted contacts.
That's the relay that runs both the fan and turntable.
It's possible that it may be a bad connection or driving component on that board, but in my experience, it's virtually always a stuck relay.
The part number on the relay as shown in the photo is hard to read, but it looks like "OJ-SH-112LM".
I should have one of these or I can point you to one if you want to contact me with the exact number.
Feel free to contact me directly (and please remind me of your
full model number) for more information & help.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
William E. Miller
[email protected]
http://www.microwavedisplay.com
SOURCE: GE SPACEMAKER JVM1650
When door open the microwave should not work at all, if the turntable and light come on with the door open , if they do , then this is an additional problem with door switch and must be fixed.
Regarding humming noise and no heath, Test the high voltage capacitor,
the rectifier diode.or the magnetron.
If it additionally does not spin and no light, then check also the door switch.
The diode and capacitors can br tested. The capacitor must be allowed
discharge before testing, or you risk to get electrocuted, even if
power is off. Capacitors can get discharged by shorting their two
contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.
All locations, and description of this parts can be located using the diagram here: Counter top.
Parts must be tested to find out what is wrong.
Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.
Regarding parts, contact the seller here to purchase parts. (here in UK).
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