If circuit boards need to be removed from their mountings, put insulating material between the boards and anything they may short to. All rights reserved. Will see glass fuse, clearly will show you if is ok or need replacement. Although careful precaution has been taken in the preparation of this material, we assume no responsibility for omissions or errors.
Loading... The magnetron can be tested by setting an ohmmeter to its highest resistance scale. Touch up the interior paint. electronicsNmore 209,322 views 23:26 Microwave Not Working - Duration: 3:32. http://www.partselect.com/Microwave+wont-work+repair.htm
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 http://www.hvactrainingwebsite.com/ before Old dead microwaves can often be valuable source of hardware and sometimes even components like interlock switches and magnetrons as these components are often interchangeable. Use an isolation transformer if there is any chance of contacting line connected circuits. Such an open mesh should not affect the cooling of the electronic components significantly.
Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? Connect/disconnect any test leads with the equipment unpowered and unplugged. A bad turntable motor may also be the cause. How To Fix A Microwave That Doesn't Heat So I just bought the diode, about $10, and replaced it. 10.
However, an isolation transformer can and should be used to test the primary side circuitry if necessary including interlocks, motors, triac/relay, etc. How To Fix A Microwave That Won't Turn On Around the periphery and across the secondary and around the center leg and across the air gap. There should be no need to work on the oven with mains power applied. 06/09/2015 by Milosz Ostrow I understood that SHORTING OUT a capacitor can damage the insulating sheets within
This is particularly important if the door of the oven opens down instead of to the left side (only a few models are built this way, however).
Typical filament power is 3.3 VAC at 10 A. Microwave Oven Repair Or Replace Again look for video on UTUBE if you are unsure of what a diode and magnetron look like and how to replace them. 11. In addition, the HV may exceed 5000 V peak with a continuous current rating of over .25 AMP at 50/60 Hz - the continuous power rating of the HV transformer may Many of the possible causes will require that a specific test be performed, a link will take you to that procedure.
You can try chatting with one of our friendly associates. Most commonly, this will be rectangular or cylindrical, about 0.5 inch long with wire leads. How To Fix A Microwave With No Power The majority of microwave oven problems are easily solved with at most a multimeter (DMM or VOM). Microwave Troubleshooting Not Heating Your door switch could be the problem.
But you don't have to endure them. Working... All Rights Reserved Worldwide Search our Site: sitemap © 1989-2013 J. Microwave generator This is the subsystem that converts AC line power into microwave energy. Microwave Repair Cost
You will learn a lot in the process. It is either the transformer, the capacitor, the diode or the magnetron. 8. Please try again later. Then after removing power and unplugging the oven discharge the HV capacitor once again.
Good luck and STAY SAFE. Microwave Oven Repair Parts The technique I recommend is to use a high wattage resistor of about 5 to 50 ohms/V of the working voltage of the capacitor. Remove remains of MOV, replace fuse and test, replace MOV for future surge protection.
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. There is also safety information on proper use of the oven in subsequent sections, below. In any case, you will have the satisfaction of knowing you did as much as you could before taking it in for professional repair. Microwave Oven Repair Guide Pdf Sound funny but microwave works day time just fine.
Rectifier - usually rated 12,000 to 15,000 PRV at around 0.5 amp. The center leg has an air gap. You will be able to make an informed decision as to whether a new oven is the better alternative. There is no charge except to cover the costs of copying. Table of Contents Preface Author and Copyright DISCLAIMER Introduction Radar Range anyone?
The first thing you should check if your microwave isn't working is its fuse. Other useful pieces of 'test equipment': A microwave leakage detector. I wiped the the oven cavity with household ammonia to remove the smoke residue as much as possible.