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Model Number Locations
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Sample Model Number Tags
Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
This diode, or high voltage diode, is used in microwaves. It is an electrical current control device that ensures power flows in one direction and not the other way. If your microwave produces no heat, heats inconsistently, or gets noisy, replacing this part can be the solution. The tools needed for this replacement are a nutdriver, pliers, and screwdrivers. First remove the microwave cover, then remove the old part by disconnecting the small thermostat. Replace with the new diode. Remember to use the diagram provided by the manufacturer for more instructions.
How Buying OEM Parts Can Save You Time and Money
Why buy the real thing?
OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.
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4 questions answered by our experts.
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Rich
December 7, 2021
Maytag MMV 5219 DH1 microwave does not heat and makes loud grinding noise. turntable motor checks okay. I'm wondering If it could be the magnatron.
For model number W11256462
Hello Rich, thank you for your question. These symptoms can be caused by a defective diode, capacitor, or magnetron. Your microwave oven is capable of giving you a serious electrical shock, even when it is unplugged. We strongly suggest you seek the assistance of an appliance repair technician when conducting any microwave oven repair. We hope this helps.
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William
November 14, 2022
MW won't heat. all else works. replaced diode and fuse and still won't heat. tested old and new parts with voltmeter and they all tested as functioning. Is there a 2nd fuse or could it be the magnetron?
For model number UMV1160CB-3
Hello William, thank you for contacting us. We would recommend checking the magnetron thermostat, part number PS8691721, thermistor, part number PS2180211, and the high-limit thermostat, part number PS2361102. Please do a continuity test on these parts using a multimeter. If this does not help the issue is probably related to the magnetron, part number PS11757171. Customer service is always available to help you place an order if you are having trouble doing so. Good luck with your repair.
Would replacing the diode on the mother board help troubleshoot the lights underneath from staying on?
For model number MMV4205DS4
Hello Laurie, thank you for the question. According to our research, the diode, part number PS12584264, is an electrical current control device that ensures power flows in one direction and not the other way. A faulty diode could be an issue but we would recommend also checking the door latch, part number PS11722531, and door switch, part number PS2361113. Please reach out to customer service if you need help placing an order. Glad to be of help!
