Most microwaves have 3 micro switches in the door closer assembly one the switches is bad
SOURCE: Magic Chef Over-Range Microwave Oven Model:MCO153UBF
The turn table and fan are connected in series with the bulb,as you have mentioned that you have replaced bulb,so please check again for any loose contact on bulb holder or bulb continuity again.
SOURCE: Emerson Microwave MW8115SS
there is a thermal fuse inside that is likely blown.
easy to replace just have to google bullet thermal fuse.
SOURCE: microwave light door turn table works but does not heat up food
In most cases, this is a problem with the inverter or a bad magnetron.
Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.
I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here.
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: Sharp R1870
This
is a problem in one of the damper-related components, most likely the
switch, but it may also be the motor or the damper door.
The
damper is a door inside that opens or closes depending on cooking mode.
If the controller senses that the door is not in the right position, it
will shut down the cook cycle.
Sharp models stop after 59 seconds.
See the attached sample photo for a typical damper assembly.
We have the applicable service manuals for these models and have uploaded it to our site here and here to help you.
You will need the free Adobe Reader to view or print it.
The best place to order Sharp parts is Tritronics.
If you only need a switch, you can order one from us for $5 postpaid.
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: My sharp R1870 microwave/convestion oven turns
This
is a problem in one of the damper-related components, either the switch
or motor or the damper door may be binding.
The
damper is a door inside that opens or closes depending on cooking mode.
If the controller senses that the door is not in the right position, it
will shut down the cook cycle.
Sharp models stop after
59 seconds.
See the attached sample
drawing for a typical damper assembly.
We have the applicable
service manuals for these models and have uploaded it to our site here and here to help you.
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.
William E. Miller
[email protected]
http://www.microwavedisplay.com
Testimonial: "Wow, this person knows his stuff! Great advice. Thanks!!"
120 views
Usually answered in minutes!
Also, a sidenote..over a year ago it was shutting off after 59 seconds. It was covered under a home warranty, so I had someone with the warranty company repair it. He replaced the magnetron tube and something else in effort to fix it. After looking it up on the internet, I had to tell him to change the damper motor. It took over a month and several attempts to fix it, and once he changed the damper motor, it worked properly. However, the fan was not blowing out the vents at top. He wanted to come out and change the fan motor, but I told him to forget it, took it apart, and put the fan in facing the proper direction to blow air out the front since it is not vented. It has been working fine since then.
×