And if it blows the fuse for your kitchen, there also is a likely cause for that. This can prevent it from working or shutting off entirely. You must unplug the microwave before attempting to repair it because they use very high voltage on certain internal parts. Check the fuse using a multimeter to check for continuity; if it’s blown, you’ll have to replace the fuse. Causes of blown fuses. Using a multimeter, you can check fuses, door switches, and other parts with electric currents, to check for circuity. Q - My microwave blows the fuse inside itself as soon as I push the start button. What kind of fuse do you need to replace? The fuse will fail if there is a fault in the high voltage circuit. A Blown-Fuse is like a red light going on in your Microwave Oven; - it tells you that there is something wrong in your unit. Your meter needs to be using a 9-volt battery. A fuse may blow because of problems with the interlock switches or with high voltage circuitry. Since high voltage capacitors used in microwaves may retain a charge even after the microwave has been unplugged, we recommend that only experienced professionals access and replace internal components. The magnetron is a high-powered oscillator and is the main component of your microwave. Clean the inside to prevent this from happening. Like other fuses and wires, the door switch can also go bad over time. If any are faulty, you’ll need to replace them. Sold by Unique Bargains. Solution: A blown microwave fuse means something has gone bad inside the microwave. The fuses used in microwave ovens are usually ceramic 1-1/4" x 1/4" 15 or 20 A 250 V fast blow type. Have a microwave amana that keeps blowing internal fuses. Anything in that chain can … Even when unplugged, a microwave contains high-voltage capacitors that can cause serious injury or death. An object might have gotten lodged in the fan and stopped it from rotating. In some instances, it’s as simple as resetting the GFCI fuse. If the resistance never changes, the diode is shorted and needs replaced. $20.13 $16.10. Another possible cause of a blown fuse is a partially bad triac. Replacing the fuse. Isolate the capacitor and check for resistance on the most sensitive scale. 2. The high voltage fuse (5KV 0.75A) fuse betwen the capacitor and the HV transformer in my microwave oven has blown (Yes I do know about being extra careful re the high voltage … To check the fuse, first disconnect power then remove the case by removing screws around the edge of the back. Using a multimeter, you can check to see if the fuse lacks continuity. Fuses Keep Blowing. Once the power is back on, test it by microwaving something like a small bowl of water or anything that lets you easily test the heating power. If it is damaged, you will have to replace it. On microwaves, these can generally go dead, usually with a popping sound. Get Help OnlineOur Technicians Are Always Online and Ready To Help You“How To Fix Your Broken Appliance”. If it is broken, you’ll need to replace this part. Problem: This is two problems rolled into one: the microwave fuse has blown and/ or the house fuse has blown. Once replaced, reconnect your microwave and it should turn on/off like normal. Microwave High Voltage Fuse, 1,0A - 5Kv. You could try a ceramic delay burn fuse it is not your standard fast blow fuse. If the turntable isn’t spinning, four parts can be causing this issue which are. Microwave Magnetron:  There is no way to accurately bench check a magnetron. You can use a multimeter to check it, and if it’s blown, it will need to be replaced. Some things which indicate this is the case include. Symptoms: No heat, loud hum when entering cook cycle, possible blown HV fuse (but will not likely blow the main fuse). This part is attached to tranformer in black or white plastick tube. Microwave High Voltage Fuse 700ma - 5kv. Code : SHVF1 Price : R 82,92 (Inc. vat) Stock Available : 0 Brands : Universal Microwave High Voltage Fuse, 1,0A - 5Kv. ©2021 howtofixit.net is a participant in the Amazon Services LLC Associates Program, An affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com and any other website that may be affiliated with Amazon service LLC associates program. shop in. LG 800mA 0.8A 5kV Microwave Oven High Voltage Fuse 6901W1A001C Fits Many Models. With this problem, a utensil or piece of metal might be inside the microwave. One end of the transformer connects directly to the appliance's ground. If all parts are properly positioned above, the turntable carousel motor might have burnt out. Additionally, our technicians are implementing enhanced safety measures to adhere to social distancing and sanitization guidelines issued by the government in order to continue providing safe and professional service. It’s the safest way to resolve the problem, and they’ll troubleshoot your microwave to prevent further problems in the future. If you see any loose objects, they might be the source of a short circuit. Fast and free shipping free returns cash on delivery available on eligible purchase. There are three parts of your microwave that deal primarily with the high voltage side of things and connect to your inline fuse: the capacitor, the transformer, and the magnetron. Unique Bargains 3Pcs Glass Tube Fuse High Voltage 0.85A 5kV 6mm x 40mm for Microwave Oven.