dawlance microwave oven repair manual
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dawlance microwave oven repair manualIf throw it away, the world will have one more trash and I will have to spend some more money to bring back a new one. I decided to open the microwave oven to see if I can save it. The following steps are what I did. Add Tip Ask Question Comment Download Step 1: Unplug Power and Remove Moving Parts Be sure the power cord is unplugged and then remove the moving parts from microwave oven. Add Tip Ask Question Comment Download Step 2: Open the Back Cover There are 2 screws on right side and 1 screw on left side. They can be easily remove with normal screwdriver. But there are 4 screws on the back are little special, a star screwdriver is needed. Add Tip Ask Question Comment Download Step 3: Check the Fuse First After open the back cover, check the fuse first. I checked it with a resistor tester, if it shows the fuse resistance value is infinity. That means the fuse is broken. Only need to change a fuse for the microwave oven. But it showed a resistance value on the meter, this means the fuse is not broken. I have to go to find problem in some other places. Add Tip Ask Question Comment Download Step 4: Inspect Door Switches The next step is to inspect door switches. There are 3 switches in the microwave oven. See their location in the pictures. Press down the pin beside the switch and rotate the switch a little to take it out. Inspect one by one, I found one switch is little different with others, the first is press the button there is no contacts click voice, the second, found there is something burned on the plastic by visual inspection. Add Tip Ask Question Comment Download Step 5: See Inside of the Switch Open this switch to verify. In the picture, press the button down, the contacts cannot be connected. Yes, this one is broken. Since some plastic is burned, this switch has to be changed.http://dungcuvanphongonline.com/images/pic/faac-750-installation-manual.xml
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Add Tip Ask Question Comment Download Step 6: Buy a Replacement Part Found the spec and model on the back of the switch, I bought a similar switch online - the grey one on the picture, to replace the broken switch. Just reverse the operation what I did. Close the back cover, drive in all screws and put the moving parts back. Plug in power to test, the microwave oven works very well. Add Tip Ask Question Comment Download Step 8: About Discharge Capacitor In my case, since the microwave oven has stopped working and unplugged power for a long time and there is one discharge resistor in the circuit, so I didn't show the discharge steps. I agree with the comments of instructablers. The capacitor must be discharged before beginning any repair. The capacitor is in the back side lower corner. In my oven, it is covered by a plastic sheet. Please check it online how to discharge a capacitor. Add Tip Ask Question Comment Download Participated in the Home Hacks Challenge View Contest Share it with us! I Made It! Recommendations Concrete Chessboard Planter I have recently replaced the rotation motor three times with original new motor. It rotates when tested, but after very minimal use stops working. For example, I replaced it last night and it was working on a couple short few second tests. This morning again not working. What should I be looking at and how to fix it. 0 pradeepvyair Its a good one to refer to and informative. The things I have seen in a microwave not working are the high voltage diode shorted or opened, and the 12v relay on the control board which drive the voltage on the magnetron. I think I have never seen a door switch broken unless someone physically damages them. NEVER EVER run a microwave with the door open, as RADAR EMF is coming out at a high Amount and will fry you or your electronics in its path. The door window has a grid with little holes.http://profcareer.ru/UserFiles/faac-844-er-installation-manual.xml These holes size is calculated to the wavelength of the radar EMF frequency to keep the waves inside the chamber. You can test the magnetron with an ohm meter, and the diode with a diode checker (higher current ohm meter). Proper troubleshooting makes all the difference, or you are just shooting in the dark. If it does hum, but does not heat very well or at all, the diode is faulty. If there is NO power (dead microwave), the fuse is most likely popped by surges or shorted capacitor. I have a GE JE1860SB microwave. When it first stopped working, the power was totally gone. It basically the thermo cut-off sensor. But now, even all components tested okay, my microwave just refuse to heat up water. I used 9v battery testing method with cheapy multimeter, and a Fluke 87V to test the HV diode. Both methods show the diode is okay. I tested the capacitor, reading 1.06 uF on a 1.05 uF rating. Resistant tests on transformer leads show no issue. All three door switches work, and transformer input end gets 110v. Resistant tests on magnetron is okay: almost 0 ohm between terminals, and each terminal to case is infinity resistant. While it doesn't even warm up a cup of water, the magnetron is warm to touch after the cooking cycle. I double checked power level setting, it is level 10. Please help. 0 mrstan wflrich Magnetron is WB27X10939. I see it for sale on Amazon here: Main board is AP2026210. I don't see it on sale anywhere though. If it is the board, it will be the power relay on the board. Look at its part number and search for it. 0 mrstan wflrich Have you checked on the relay that drives the magnetron. Different microwaves function differently as to the drive circuit, but if the main drive relay has popped a wire in it, it simply will not heat. Look on your main circuit board for a relay (looks like a square box with lots of connectors on the bottom side of the board it is mounted to (It might have the drive line on the top too). If you don't hear this, your relay has popped. I attached a picture of a typical relay and a schematic of what is inside of it. See if you can see some of these on your circuit board. I am sure you have the same situation there. 0 ahkha1345 Now, I do not know how to assemble parts of attached images. Let me know if this helps you out. Buy something from these guys if it does. Its nice when these vendors have this information to help you out. 0 marvinx97 Fuse is normally the last protection to prevent other damage. So, at least visual inspection on all components, before replace the fuse then power on. 0 Hammerhead46 marvinx97 Then it got to the point that when you press start to heat things up, it would still light up and the table is turning but no sound or heat comes out. Sometimes we would get the error code F5 Anyone know what could be wrong? 0 William Alexander Hamilton I don't think it was worth trying to save. I will keep this bookmarked for more normal failures. Btw the power supply and all had fire ants in it. Oh the joys of living in the Southern US The University of Alabama did a test and found fire ants are attracted to the electronic hum of transformers like on power polls. Whether it is the sound of the hum, or the EMF emissions they detect, is what they are investigating. I have been watching this research because I have a power transformer box in my front yard for my neighborhood and have noticed it regularly gets invaded with fire ants in the warm months. Its funny to watch the power guys go running away after being stung a few times. LOL 0 abumajd101975 Question I use two insulated screwdrivers touching.This will make the short to ground internally and pop the fuse. See if that helps. 0 TatianaC17 Question. The Sponsored Listings displayed above are served automatically by a third party. Neither the service provider nor the domain owner maintain any relationship with the advertisers. In case of trademark issues please contact the domain owner directly (contact information can be found in whois). If the microwave will not turn on “no power”, this could mean a GFCI outlet issue, blown fuse, or a bad door switch. If you have slammed the microwave door, you hear the microwave buzzing but it will not heat, you see sparks in the microwave, or the turntable is not turning, we will show you what to do. Our DIY fix it help guide will assist you to repair your microwave. If no continuity, replace it. If you find that it is bad, remove and replace it. If no continuity, replace it. (See image of microwave fuse above) Stop the microwave from working and wait 5 minutes or so before removing the metal object in the microwave to avoid getting a burn. Food may have splattered on the walls of the microwave and the food may continue to cook. This may cause sparks inside your microwave. Clean out the microwave of any excess food particles. The microwave power may be concentrating into a certain area in the microwave. When this happens it is most likely that the microwave stirrer is not working. The high voltage diode can be tested using an ohm meter to see if it needs replaced. The diode in your microwave passes electricity in one direction and blocks the flow in the opposite direction. Your microwave will not be able to produce heat and you will hear a buzzing noise when the diode has become faulty. The capacitor in your microwave stores electricity. A bad capacitor can be the reason your microwave is not heating and you hear a buzzing noise. A bad high voltage capacitor will have to be replaced to make your microwave work again. Use caution as capacitors can store energy and give you a shock. Check it with caution. Here is our Appliance Light Bulb Replacement Guide. The stand alone microwaves are usually throwaways and under 100 dollars. If you have a microwave that is built in and includes the vent filter system and is over your stove, it is worth repairing. Do the math when it comes to buying replacement parts factoring in how much you paid for your microwave. You may be better off buying a new microwave. Use caution when repairing your microwave oven. He has 33 years of experience troubleshooting and repairing all types of machinery. Contact here Can you unplug it to reset the microwave to see if it resets and begins to work properly? -RR Notify me of new posts by email. Learn how your comment data is processed. How To Clear The Cache On Your Xbox? How To Check Clothes Dryer Vent Hose Air Flow AC ON vs AC OFF Mens And Womens Shoe Size Conversion Chart Learn How To Buy And Sell Do Not Pay To Watch Your Favorite Movies And TV Shows Here Is The Info You Need For Replacement How To Easily Clean A Dirty Oven That Has Never Been Cleaned How Long Does Wall Paint Take To Dry? Replacement Information Here Decode CC Digits Wall Or Bed Frame? Glue Guide Chart Here Is What To Check Yourself! Most Important Things For Job Interview We aim to always deliver relevant and engaging content where facts and information provided is checked and rechecked for accuracy. Note: Any images or third-party logos on this page belong to their respective copyright holders and are used for informational purposes only.We may receive compensation when you click on links to those products. The countdown timer runs as if it was heating, but that's about it. Any suggestions? Those things are wicked and not meant to experiment with. THEY CAN ACTUALLY KILL YOU, so take it to get fixed. It could be that the power is cut off by something like a fuse failure. DO NOT tinker with your microwave oven because they can give you VERY NASTY SHOCK. IT WILL MOST DEFINITELY Electricute you. First you must have to know the trouble shooting tips so that you can repair it yourself has a HVAC trainer i have some tips for you to follow before repairing follow the precautions be aware that the appliance is not plugged in and do not touch the wire or components until you discharge the high voltage capacitor and do not work alone you need a professional to help you. If you have basic confident working with electronic, replacing this part is not difficult. There are several instructional video posted online. Just make sure you follow all advice when replacing it. I recently replaced one on my microwave that saved me hundreds dollars from buying a new one. On microwaves, these can generally go dead, usually with a popping sound. I think there might also be a fuse in your microwave, but I do believe that if it was a blown fuse, your MW would not start up. The technician should also not forget the door switch since some of them can cause the same issue. My solution would be to A: Call a trained appliance technician to replace the magnetron or B: buy a new microwave. Microwaves have really gotten very inexpensive and probably will cost you less than the parts and labor for the repair.Strictly from an academic point, it could be the power diodes or a defective capacitor. Your microwave may turn on but does not heat. Remember the frying comment above, this is the part that will not just curl your hair, but will most certainly be a shocking experience.Then, touch one of the meter's probes to a magnetron terminal and the other one to the metal magnetron housing. The test should produce a reading of infinity - indicating an open circuit. Good luck and STAY SAFE. Once the capacitor has been discharged, it is perfectly safe to work on the oven and remove parts for bench testing. There should be no need to work on the oven with mains power applied. It's likely that once the oven is turned off and unplugged, the capacitor will be discharged long before the sheet metal housing is opened. Shorting it out is just an extra precaution. There is a white insulator made of BeO. Beryllium is very dangerous toxic metal.The display and touch pad control still appeared to work, but it didn't heat anymore. The fuse didn't blow. After the oven was taken down and the skins were removed, the failed part was visually obvious. Even though it was 5 years old and well out of warranty, we were able to get a replacement transformer from G.E., and after about a half hour of reassembly, I was able to plug the oven into a heavy duty extension cord and start it up on the bench. I wiped the the oven cavity with household ammonia to remove the smoke residue as much as possible. A bit more work and it was mounted on the wall again and back in service, although it took a couple of weeks for the remaining acrid smell to fully dissipate. You'll probably get tired of the oven before the tube burns out. The high voltage transformer is the most likely thing to fail. Since the transformer has both high voltage and low voltage secondary windings, it is possible for the high voltage winding to fail, yet the low voltage section to still work and supply power to the electronic controls. The next item after the transformer is the silicon rectifier used in the high voltage DC supply for the magnetron. It should be safe to work on within a few minutes after power is removed from the oven, although to be sure, one should short the capacitor terminals together with a screwdriver or other insulated tool before doing any work. Unless you are equipped with proper high voltage test gear and are trained in working with high voltages, you shouldn't work on a live magnetron circuit, as it can kill you. The reason I felt safe in tackling this job is that I'm an electronics engineer with 40 years of experience, including training in vacuum tube circuits. Why, because is expensive and not worthit to fix. I fixed nearly 200 microwave ovens ( customers returns from shops) and only about 4 magnetrons need replacement, usualy in branded models. High voltage transformer is rare to get faulty ( about 2 out 200 ). Will smell burning smoke from apliance, it is from high voltage transformer. If you do not know how to deal with electric items ask specialist. On my blog will find instructions how to fix microwave oven. This part is attached to tranformer in black or white plastick tube. Need carefully open this tube using flat screw driver. Will see glass fuse, clearly will show you if is ok or need replacement. If you replace this plart, before try apliance if working is got to check high voltage diode and capacitor. If one of this parts faulty, your new fuse will burn again in seconds. Thank you, friend! If this is the case with your microwave then here is what I suggest. Open up your oven by removing the top cover. Let it sit UNPLUGGED for 30 minutes or better yet you MUST discharge the HIGH VOLTAGE CAPICATOR. The capacitor has enough voltage to kill you. If you do not know what a capacitor is or how to discharge it look for a video on UTUBE. Then do the following: Take of the two leads usually a red wire and a white wire and take them off. Note their locations for reattachment. Place the rotating switch on 200V. Place the red lead into the red wire and black lead into the white wire. Unplug the unit and let it sit for 30 minutes to discharge the capacitor or discharge it. This leaves only four possible problems. It is either the transformer, the capacitor, the diode or the magnetron. Again look for video on UTUBE if you are unsure of what a diode and magnetron look like and how to replace them. Hope this helps and good luck. Do you have any idea's what it could be. I used it maybe 30 times at best. Thinking the Magnetron is the problem. Because it is a few years old, they refused to replace it, when the fist one never worked out of the box. Unbelievable My side by side fridge is also Frigidaire, and I had to replace the board twice.no more of their products for me. Printed circuit boards behind touch pads can flex causing printed circuits to develop cracks over time, resulting in the same type of failures. These include no heating or ventilation fan or intermittent operation, running with door open, etc. Hard to find or fix sometimes, usually it's poor design. The smell of burnt human flesh, and the excruciating pain should be more than enough to reason to stay away from high voltage unless you are properly trained in it. I still work with electronics and electricity but mostly low voltage projects. Check the fuse in plug (in UK we have), check the fuse in the microwave oven, placed above fan. What I found was the door switch is not actuating correctly. When it happens, if I pull up a little on the door, while the door is closed, it runs correctly. My micro is around 11 years old. Then it worked. Both times I didn't have to look any further than the door's micro switches. Mine has 4 switches. One normally closed and 3 normally opened. These wear out from constant opening, closing and slamming. If it works sometimes when you slam the door, or by pushing a little on it, then that's a sure sign of switch failure. You'll have to remove sheet metal housing. Switches should be in one area, bottom right if door swings open right to left. Here's an in depth video that should help, but you will most likely only need the ohm meter to test switches and go no further. I didn't even need the meter the first time. That switch was visibly fried. The microwave in the video was an expensive one, being dual oven, so it was a lot cheaper to fix it in parts costs. It is still working now in April 2020. By using our website you agree to our use of cookies in accordance with our cookie policy. Learn more here. It's an adjunct to the advertisement. For more information, please call our service hotline at 888-888-8888.Now you can wash yours and the young ones' clothes at the same timeHaier's service is available all year round. Please enable JavaScript to ensure you get the most out of the LG site, products, and services In order to get the best possible experience from our website, please follow below instructions. If you're using Internet Explorer 9 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater). Please have the Serial number of your product and proof of purchase ready. Out-of-warranty service fees may apply for diagnosis, parts, and labor.The microwave should display an error code if there is a severe problem which requires a technician. If there is no error. Press the CUSTOM SET buttonselect the desired functionselect the desired result For example, to tur. You can set the time or switch to the 24-hour clock mode. ChildlockChildlock function. We can help.Choose from a range of commercial displays, enterprise mobility solutions and solar modules providing specialised solutions for a range of business types. Find commercial appliances and electronics from LG for your business and help make life good.Whether that means cooking a nutritious, delicious meal for your family, staying connected on-the-go, sharing your favorite photos, watching a movie with your kids or creating a clean, comfortable place to celebrate the moments that matter, we'll be there for you every step of the way. Designed with you in mind, LG products offer innovative solutions to make life good. With intuitive, responsive controls, sleek, stylish designs, and eco-friendly features, our collection gives you the power to do more at home and on the go. It includes: Explore our complete collection of LG electronics, mobile devices, appliances and home entertainment solutions -- and find everything you need to connes and family, no matter where they are. Please enable JavaScript to ensure you get the most out of the LG site, products, and services In order to get the best possible experience from our website, please follow below instructions. If you're using Internet Explorer 9 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater). Out-of-warranty service fees may apply for diagnosis, parts, and labor.It couldhave come loose or not be plugged in at all. If this is the case, p. Go to Support Home Got a question? We can help. Whether you need to register your product, communicate with an LG Support Representative, or obtain repair service. Finding answers and information is easy with LG online service and support. Owner’s Manuals, requesting a repair, software updates and warranty information are all just a click away.Dominicana1-800-751-5454 St. Kitts1-800-205-0547 St. Lucia1-877-841-5311 St.Vicente1-877-841-5310 Trinidad y Tobago1-877-490-9112 Venezuela0-800-100-5318 If you want to connect to LG Corp., or other LG affiliates, please click Dominicana1-800-751-5454 St. Kitts1-800-205-0547 St. Lucia1-877-841-5311 St.Vicente1-877-841-5310 Trinidad y Tobago1-877-490-9112 Venezuela0-800-100-5318 If you want to connect to LG Corp., or other LG affiliates, please click. Haier's convenient use and care manual for your microwave oven tells you how to do it. You can also order replacement parts and accessories or schedule a service appointment online. The grease filters should be removed and cleaned often; generally at least once every month.Remove the grease filter. Grasp the metal ring, slide the filter toward the back, and then gently pull the filter downward. Repeat f. The Sensor Cook control is programmed to cook the following items: Potato, Fresh Veggies, Frozen Veggies, Bacon, Frozen Dinner, Rice, Froz. We've got your back. Chat, email, or give us a call. The Cause behind his decision to start a separate venture of such distinct nature is Reason’s epic brand tale. After working for the electronics manufacturing giant, Orient Electronic Abdul Rehman Talat sort out the main reason of dissatisfaction among consumer base. He understood that the real issue here is the extraordinary rates. A must have for every kitchen and counter top, the Orient microwave series features a variety of traditional and grill base units ranging from compact room units to larger, purpose-built ovens. 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Now You can Buy Microwave Oven Online at Orient website. The options are endless. ADDITIONAL features such as Child-lock, Weight Defrost and Combo function have been integrated into our microwaves, to make cooking a truly enjoyable, easy breezy experience. All our microwave ovens are equipped with a detachable tray to make cleaning up the microwave effortless. Required Part Air Conditioner Main Control Board Enter model number to search for the required part specific to your product Browse our parts categories to select from a variety of parts for your product SHOP PARTS Most Common Solution The Right Parts for the Job We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. Join Repair Clinic's VIP email list for 10 off, plus other discounts and tips. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right.