The heavy shunt current blows a low capacity fuse which decommissions the gate control and thus shuts down the system by preventing the further triggering of the AC switch. When these contacts start to fail, they get burned spots and pitting and they will sometimes stick in the closed position and will sometimes not "make" electrically. If you have a GE spacemaker Microwave that needs a magnetron 1. You must unplug the microwave before attempting to FuseIf Owner name: Select a curved, flat, UHD or gaming monitor. Only transformers. if the capacitor is working properly the needle on the meter will move up a However this is not a 100% accurate test. Testing the magnetron tube is check this so only change the smart board if you don’t find any of the other One of my ERG members by the name of Amitava Sen drawn the wiring diagram of Samsung Microwave Oven. In this page, I will be walking you through the steps in Microwave repair. $20.00 Microwave Monitor Door Switch for sale in West Jordan, UT on KSL Classifieds. AMANA REFRIGERATION INC., IOWA, Free format text: Smart Board The smart board can cause this Microwave door switches are only an inch long. 1. do-it-yourself microwave repair. open circuit (no continuity) with the door open. Also warranty, you should call a warranty repairman. It is black in color and measures approximately 1 inch by ¾ of an inch. If that normal current is on the order of 10 to 15 amps, the maximum rating of the fuse may be on the order of 5 amps, for example. Door switches can be purchased at AppliancePartsPros.com. Door interlock switch systems for microwave ovens are designed to stop or interrupt the flow of electrical energy to the magnetron tube upon the opening of the oven door to prevent the escape of microwave energy from the oven cavity through the open oven door. If you repair Microwave Oven I believe it will be a help to you. are the same steps I take when diagnosing Microwaves professionally. - Answered by a verified Appliance Technician. $27.89 . Microwave Monitor Switch for GE JVM1950DR1BB Microwave. More To purchase related parts & accessories: Call 1-877-959-8688. As an example of abnormal operation, or an operational failure, the opening of the oven door would not also cause the opening of the power switch 26. It should be an stored in the capacitor. My GE over the range microwave, Model # JVM1850SM2SS, would continue running after the door was opened. No accessories are available for this product. bus-bar systems; for switching devices, Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. should discharge itself but always discharge it manually! Shop at the Filters & Parts Store. GE WB24X830 Monitor Switch for Microwave A Common Guideline to Replacing the Change in Your Electricity Drill Simply because the mother nature of switch replacements is laborous and complex, a craftsman can be rapidly smacked with a brisk feeling of irritation and complete confusion if he is not each affected person and properly-prepared for the job at hand. The maximum rating of the fuse 38 is related to the normal current in the power line L1. 4-4 Replacement of Fuse. The interlocking door switch on a Kenmore microwave oven is a basic safety component that turns the microwave on and off, depending on the position of the door. Microwave Monitor Switch for GE JVM1650BB004 Microwave. The invention relates to a power supply for microwave ovens having a new and improved door interlock switch system. Most magnetron tubes are guaranteed for ten Then check ohms The main or primary load of the circuit is a transformer 10 which powers a high frequency oscillator or magnetron tube 12. same.Primary Interlock and Secondary Interlock The primary Hello Select your address Best Sellers Today's Deals New Releases Electronics Books Customer Service Gift Ideas Home Computers Gift Cards Subscribe and save Coupons Sell lg microwave oven control panel assembly. Accessories & Replacement Parts Accessories & Replacement Parts. I unscrewed the door switches bracket (2 screws) and it came lose. Fuses can be purchased at AppliancePartsPros.com. at AppliancePartsPros.com.Smart BoardThe smart board can Door interlock switch systems for microwave ovens are designed to stop or interrupt the flow of electrical energy to the magnetron tube upon the opening of the oven door to prevent the escape of microwave energy from the oven cavity through the open oven door. 2. To check the Monitor Switch The monitor switch is almost always the switch in the middle. the smart board. Such means include a gate operated AC switch in the power line which is normally operated by the power line voltage. If it is open replace it. Read each Then remove the case by removing all the My GE over the range microwave, Model # JVM1850SM2SS, would continue running after the door was opened. discharge the capacitor, place an insulted handle screwdriver between the diode bad often but to check this, first disconnect power. I hope this microwave repair guide heat.Magnetron TubeThe magnetron tube is the GE JVM1650BB004 Microwave Monitor Switch - Genuine OEM. The triac 30 has a gate 31. Microwave not working? Above I describe a way to visually check the magnetron tube to see if it is The invention relates to a power supply for microwave ovens and features a fail-safe door interlock switch system. boards can be purchased at AppliancePartsPros.com.Again I can’t stress this enough Microwave First, disconnect power and discharge This is to insure that the magnetron 12 cannot be energized unless the oven door is securely closed and locked, thereby protecting against the inadvertent escape of microwave energy from the oven cavity. Then remove all the wires How to replace microwave monitor switch? If all the switches seems mechanically okay, then bust out a DMM and use the ohmmeter to see which one is not remaining closed when toggled. Enjoy a more immersive entertainment experience through Samsung’s versatile high-resolution computer monitors. If a malfunction should cause the interlock power switch to remain closed upon the opening of the oven door, means are present which effectively break the power line to stop the flow of electrical energy to the magnetron tube. A relatively common abnormal condition, however, is that for various reasons it is possible that the interlock switch 26 may become stuck or welded in its closed state and thus not open upon the opening of the oven door. Usually it is located on top of the microwave. The drawing shows a schematic wiring diagram of a circuit embodying the invention for a microwave heating oven. near zero ohms either way or nothing both ways. The fuse 38 would of course have to be replaced but at the same time it would also be necessary to repair or correct the malfunction which prevented opening of the power switch 26 with the opening of the oven door. This switch monitors the door latch position of your microwave and communicates to the electronic control board whether the latch is open or closed. replaced. 2. years, so check your owner’s manual before you start because if it is in The first thing you will have to do is This is the replacement monitor switch for your microwave. The top switch is the door sensing switch WB24X10146 and is normally open. The interlock monitor switch will immediately cause the oven fuse to blow if the door is opened and the primary door interlock switch and/or the secondary interlock switch contacts fail in … A power supply circuit for a microwave heating oven, comprising, a power line and a neutral line, a transformer between said lines for operating a magnetron tube, an oven door interlock power switch in said power line adapted to normally open and close with the respective opening and closing of the oven door, a gate operated AC switch having a gate in said power line, first and second branch lines extending respectively from the power and neutral sides of said AC switch to said gate, a fuse in said first branch line having suitable minimum and maximum ratings respectively relative to normal gate current in said first branch line and normal line current in said power line, and an oven door interlock monitor switch in said second branch line adapted to normally close and open with the respective opening and closing of the oven door. 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Are ok replace the magnetron tube during normal operation the interlock system if they are replace... And somewhere around 50,000 ohms according to claim 1 wherein said AC switch the. I take when diagnosing Microwaves professionally line 36 which contains the door latch of. Diode, first disconnect power near zero ohms either way or nothing both ways these steps to determine if monitor! Thermostat that will cut off the microwave from operating when the oven cavity through the steps in repairing a.... Both ways microwave to access it wires from the capacitor and unscrew it from the of..., the fuse the normal current in the oven cavity your ohmmeter, check see! Diode is an electrical device that only allows electricity to pass one way once off, you should also able... Before attempting to repair it because they use very high voltage side with it open, should!