I am trying to check the 20 amp fuse.I removed all of the phillips head screws, but there are also 2 "safety" screws that will not allow me to get the case off.Where can I that screwdriver? and what is it called?,It is star shaped with a raised pin in the center
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Many ovens use tamper-resistant screws to discourage people from taking the cover off. It's meant as a safety (that is, fear of lawsuit) measure since microwave ovens use hazardous voltages that can kill you. You can find bits to fit these screws at Home Depot, Sears and many other places if you're determined to get the cover off.
With all due respect, though, you should probably leave microwave service to a professional. As I mentioned above, YOUR OVEN CAN KILL YOU if you don't know what you're doing. That's why Sharp stuck those strange screws in.
It is indeed straightforward but it requires removing the 4 phillips head screws that hold the trim kit on. Then you need to remove it from the cabinet (along with unplugging the cord.) Once that is done you will need to remove the 4 black phillips head screws along the bottom part of each side, 2 phillips from the left rear and 2 security T20 screws from the right side. I found that removing the 2 screws holding the bracket on the capacitor and the front allowed me to move the light housing enough to get to the bulb. In my case the bulb had unscrewed itself. I am not a big fan of the engineering associated with this model or the labor that assembled it.
Mine is JMV8166BAS over-the-range model, and yours may be similar. Disconnect electric source (pull plug, or turn off circuit breaker).
1. Locate and remove 2 Phillips head screws on top projecting from cabinet/wall,etc,
2. Carefully & slowly, slide entire front vent 1/4" towards your left simultaneously pulling toward you.
3. Remove vent filter, if any.
4. In very center maybe beneath filter space, locate approx.4" width aluminum colored metal cover, possibly held in place with Phillips head screw.
5. Remove screw, exposing small light bulb.
6. Gently pull back on bulb, replace with identical wattage, 120V bulb from big box or appliance store.
7. Human touch may shorten life of bulb, so carefully push wire prongs into plastic bulb inlet socket using whatever allows you to grip bulb in the limited space.
8. Reverse 5 - 1 for reassembly. Before replacing vent assembly, notice the small notched angle clips on the bottom before aligning to microwave unit, as these were slightly tricky on my unit when inserting & sliding assembly 1/4" toright.
Yess there is a ceramic 20 amp 250 volt fuse inside the cabinet. Safety first!!! Unplug the microwave from the wall outlet.
If you remove the four T20 Torx screws that hold the case on(back of cabinet around the edges) and carefully slide the case back and up you can access the fuse. It will be on the circuit board near where the power cord enters. If you have a ohmeter you can check the fuse. The ceramic fuses are not clear so you cant tell a blown fuse by looking.
1 thing here you can check yourself. You need to remove the cover of the microwave. Make sure it is unplugged first. To remove the cover there should be a series of phillips head screws on the backside of the microwave. Once the screws are removed then you need to lift the back of the case towards the front there is a lip at the front that holds the front down that is why you need to lift the case from the back. Once you have accessed the inside follow the powercord from the plug into the microwave along this cord you will see a fuse. Very IMPORTANT do not touch both sides of the fuse holder at the same time. There is a charge stored in the microwave that will curl you hair remove this fuse with a fuse puller (purchased at an auto parts house) Take the fuse to an appliance parts house for replacement. Should be in the area of 10.00 or so. Replace the fuse put the casing back together and try the microwave. If it doesn't work then the magneto or magnatron whichever the machine has is blown and in that case it is cheaper to buy a new microwave Good luck hope this helped you some
the fuse may be bad.if u r somewhat handy. you can try and fix yourself . fuse can usually be purchased at a home improvement store. 20 or 15 amp fuse. un plug unit remove top grill usuallly two phillips scews in the grill or 2-3 screws on the top of the microwave frt. next remove front control panel usuallt 1 screw at top of panel . once the control panel has been removed you can look inside that area and see a fuse, its ceramic usually white or grey and sits in a fuse holder. you can test it if u have a meter. should read resistance if good if no reading it is bad. replace it with same volt youtook out. if you rather a servicer doing it, then could cost anywhere from 65.00 to 105.00 to fix in home. if u take it in to get repaired then 85.00-125.00 depending on were u live and who u use. do it yourself for around 2.00-5.00 for fuse.always check power to unit first before you repair . use a extension cord to same outlet and see if that appliance works.hope this helps you.
it is behind the control panel.to access that remove the top grill by removing two screws on the top or in the fron of grill.then u should see see a screw on the top of control panel holding it.remove that screw and u should be able to remove the control panel.fuse will be behind the panel.it is not mounted on the panel but in the cavity behind it.
You need to open the oven (unplugged) by removing the screws along the case. Inside, there is a 20 amp fast blow fuse that you can get at Radio Shack. It looks cylindrical and white. I would test that first. However, replacing the fuse may work, but then, other components may have shorted inside causing the fuse to blow. Try the fuse replacement/test it first. Good luck
Unplug microwave. Remove the two phillips head screws from the top at the very front edge, allowing you to remove the top grill. This will give you access to the one remaining screw holding the control panel in place. Lift panel up a bit and you're in. Note: even an unplugged microwave can hold a nasty electrical charge if the bleeder resister inside the capacitor is bad. Be cautious and don't touch things unnecessarily.
Check fuse. Remove 3 screws from the plastic grill located at along the top front of the unit. Remove the phillips head screw above the control panel. Slide up and pull out to partially remove control panel. You will see a white fuse. Replacement is CD3G 125v 20amp or BUSS ABC 20 or Little Fuse 314020 at 250v 20a. Radio shack caries the ABC.