Question about Kitchen Ranges
Firstly, microwave should really be serviced by qualified professionals as they contain high voltage components that can still give you a shock even when they are disconnected from the power. Please follow all the safety instructions (underlined) included here.
If there is no power at all it could be the fuse. Please disconnect the power from the outlet or make sure the breaker is off before doing this. There should be a small panel about 6 inches wide/high on the side or back of the microwave which can be removed by undoing a couple of screws. Under this panel you should find the fuse assembly which will look something like this:
The fuse is the white cylinder with the silver ends in the top right of the picture. If you remove a panel and don't see the fuse, replace the panel and look for another panel. Occasionally the removable panel is inside the cooking compartment.
When you have located the fuse, pry it from the fuse holder carefully using an insulated screwdriver if possible. Test the fuse with an ohm-meter if you have one. If not and you are unable to verify that the fuse is working, buy a replacement fuse. Take the fuse with you to the supplier to ensure that you are buying one of the correct size and the correct rating. The rating is stamped into the silver end of the fuse, e.g 12.5A or 20A.
Carefully insert the new fuse into the fuse holder in the microwave and try to avoid touching anything else while doing so. Replace the panel and then try the microwave again. If the microwave still doesn't operate, then you have a more serious fault which is not user-repairable and you should seek professional advice. It is often cheaper to buy a new microwave than have an existing one repaired.
I hope this helps. Please post back if you need further assistance.
Posted on Dec 05, 2010
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Posted on Jan 02, 2017
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If you find the fuse blown or circuit breaker tripped, unplug everything from the circuit to which the microwave is connected (keep in mind that other outlets may be fed from the same circuit). Replace the fuse or reset the circuit breaker. If the same thing happens again, you have a problem with the outlet or other wiring on the same branch circuit. If plugging in the microwave causes the fuse to blow or circuit breaker to trip immediately, there is a short circuit in the power cord or elsewhere.
The microwave oven may be powered from a GFCI outlet or downstream of one and the GFCI may have tripped. (Removing a broken oven lamp has been known to happen.) The GFCI outlet may not be in an obvious location but first check the countertop outlets. The tripped GFCI could be in the garage or almost anywhere else! Pushing the RESET button may be all that's needed.
Next, try to set the clock. With some ovens the screen will be totally blank following a power outage - there may be nothing wrong with it. Furthermore, some ovens will not allow you perform any cooking related actions until the clock is set to a valid time.
Assuming these are not your problems, a fuse has probably blown although a dead controller is a possibility.
While you can do some repairs on your microwave, what you don't know can kill you... even on an unplugged microwave, so make sure you understand the dangers and how to reduce them before you try anything inside a microwave. If you want to do more yourself, go to the link at the top of this post.
Oct 21, 2010 | Microwave Ovens
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