Question about Microwave Ovens

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Not works, is not posibility for open and fot see in the switch contacts, & IM

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You cannot physically see the switch contacts, they must be measured for continuity.
I suggest a Microwave repair man would be a good idea at this point.

Posted on Jan 02, 2011

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R-1481 start button won't work


I have a r-1482 model so I don't know how close they will be. The biggest issue I found so far with my particular model, yours my be the same, is the door safety micro switches fail primarily from opening the door while the unit is in the process of cooking which causes them to arc and burn the contacts resulting in premature failure. With an ohm meter, check the resistance of the contacts of each switch individually with the COM terminal lug temporarily removed and ensure the closed resistance is 0 ohms and infinity when the contacts are open. Measure from the COM terminal to the terminal in use either N.O. or N.C., with the switch button NOT depressed the N.O. will be open while the N.C. will be closed and with the button depressed they will be opposite, in other words N.O. will be closed and N.C. will be open. Another thing to check is that the door hooks aren't broken (they activate the safety switches. Should you remove the switch bracket to replace the micro switches, make sure you wire the switches exactly the way they were COM to COM, NC to NC & NO to NO, mount them in the bracket the exact way they were and adjust the bracket so that the switch buttons are just to the point of being fully depressed and no more when the door is fully closed. The micro switches may be different in model numbers but you can sub with a micro switch that has all three COM, NC, NO terminals and only use the terminals in use for the given switch. I used Omron p/n: D3V-16G-1C25-K from Mouser Electronics (800) 346-6873. Since you didn't indicate the control panel was not operational I won't go into that area. I can't say if the timer will count down or not if the micro switches are bad, but it's a possibility, further pointing to the switches. If the control panel or MW tube is bad it's my recommendation to buy a new oven, though you can get new MW tubes, diode & capacitor, it's not worth the shocking experience to the human body, not to mention the MW radiation.
Good luck if you still have the oven and decide to take it one step further.

Jul 19, 2012 | Sharp R-1481B Microwave Oven

1 Answer

My ge model jes1358 wk 02 has a problem. When you turn it on, the microwave acts likes it should- table turns,light is on and timer counts down. the thing that does not work is the heating -but the...


It may be a bad bottom door switch or its mount may be bad damaged or misaligned.

See:
http://031d26d.namesecurehost.com/mwd/safety.txt
http://031d26d.namesecurehost.com/mwd/disassembly.txt
http://031d26d.namesecurehost.com/mwd/doorsw.txt

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

Or it may be a failed cook relay on the circuit board, which we can repair nationwide with our $39.95 service.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit and detailed symptoms) for more free information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Jun 19, 2011 | Microwave Ovens

1 Answer

Just quit working


I assume there is no display at all. First make sure there is power to the microwave. Next would be the fuse INSIDE the control section. It needs a 15 Amp slow blow fuse. If that is the problem and you replace it (first disconnect oven!) and the oven works Ok that sould have taken car of your problem. However to do a little test you could, after having replaced the fuse, open and close the door several times. If it blows the fuse again that means that there is a problem with the door switch sequence. I don't know if you want to go this far, but there is one "normally closed" switch that, when closing the door, needs to open before the "normally open" switches make contact. Conversely when opening the door the "NO" switches need to open before the "NC" switch makes.

May 08, 2011 | Microwave Ovens

1 Answer

Keeps blowing 20 amp cermaic fuse when door is opened on microwave


I finally was able to fix similar problem. The "primary" door switch (top switch) had a burned contact inside the switch body, as well as burned surrounding plastic. It would no longer "click" and tended to stay in "closed" position. [The switch is a "normally open" design (NO).] When this occurs and the door is opened, the "monitor" switch causes the fuse to blow out. GE wants $50 for this part. However, I was able to find a universal design of microswitch at Fry's Electronics. It had the same rating (15 amp at 250 volts), same body size, both NO and NC terminals, but with a lever arm which I had to remove by opening the case. Cost was $2.47 + tax. (PRICELESS!). It works well now.. I also had to buy a set of Torx driver bits for tamperproof screws to be able to remove the oven cover. (The hole in the end of the bit goes over the tamperproof pin of the screw).
I also viewed a YouTube video which was helpful at http://www.youtube.com/watch?v=YsWTCnACqdY

NOTE: I believe this problem occurs from opening the microwave door before the cooking is finished (without either pushing "pause" or "clear/off" buttons). This can cause a momentary "arc" between the switch contacts which, over time, will pit and burn the switch

Dec 30, 2010 | GE JE2160 Microwave Oven

1 Answer

Need source of Full Safe KSD1 150.


the KSD1 is an thermo switch.
the data 150/0 meens: 150°C to open the contact and 0°C to colse the contact.
if the switch contact is open you have to cool it down to 0°C.
then the switch contact will close again and the microwave oven will work again.

Nov 12, 2010 | Microwave Ovens

1 Answer

Stopped work when open microwave door no power now , replace the cermaic fuse and replace the secoundary interlock switch with mocro switch subsitte wb24x10103 when turn run again the power came on and...


I finally was able to fix similar problem. The "primary" door switch (top switch) had a burned contact inside the switch body, as well as burned surrounding plastic. It would no longer "click" and tended to stay in "closed" position. [The switch is a "normally open" design (NO).] When this occurs and the door is opened, the "monitor" switch causes the fuse to blow out. GE wants $50 for this part. However, I was able to find a universal design of microswitch at Fry's Electronics. It had the same rating (15 amp at 250 volts), same body size, both NO and NC terminals, but with a lever arm which I had to remove by opening the case. Cost was $2.47 + tax. (PRICELESS!). So far so good. I also had to buy a set of Torx driver bits for tamperproof screws to be able to remove the oven cover. (The hole in the end of the bit goes over the tamperproof pin of the screw).
I also viewed a YouTube video which was helpful at http://www.youtube.com/watch?v=YsWTCnACqdY

Oct 21, 2010 | GE JE2160 Microwave Oven

2 Answers

My sharp microwave just stopped working. It


IT IS POSIBLE TO HAVE A BURNED FUSE ON THEI Main boARD OF THE OVEN

Feb 14, 2010 | Sharp R-1480 Microwave Oven

1 Answer

GE Advantium Microwave section doesn't work.


The primary interlock switch on my Advantium has failed twice. The replacement part is available at: appliancepartspros.com part no. for my Advantium was AP2622452 and it cost $11.74 + $6.95 shipping.

For what it's worth, my nylon connector and wire covering were also scorched a bit but the last primary interlock switch lasted me for over a year.

Please note that I am not an expert at repairing appliances and that I assume no responsibility or liability for any attempt you may make to repair your own appliance.

May 30, 2009 | GE Advantium SCA2000B Microwave Oven

1 Answer

It does'nt any thing, the screen is off


you dont need schematic.......If micro is dead ,you more than likely...have a blown 15. amp ceramic fuse inside.....MAKE SURE PLUG IS OUT....open the unit and look inside...you should be able to find,,,,,If problem is other, let me know.

May 21, 2009 | Microwave Ovens

1 Answer

Newish oven powers itself off intermittently


I would look into the thermal shoutdown thermistor inside the micro. It's also posible it may be a bad switch, when power starts, the switch start reacting, not common but I see this posible.

I hope this helps.
Bob

Jan 13, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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