See part 111 in the diagram
( Grid squares measure 1x1 inch )
Black Sleeve Diode
$
21.21
On Order
On Order
Get this part fast. Average delivery time via standard shipping: 1.8 days.
PartSelect Number PS11747959
Manufacturer Part Number WPR9800486
Manufactured by
Whirlpool
Product Description
Black Sleeve Diode Specifications
In your microwave, the diode allows current to flow one-way only, converting alternating current to direct current. If you notice that your microwave does not heat properly, you may need to replace the diode. This product is approximately 3 inches in length. Before completing this repair, be sure to disconnect the power source from the microwave. The diode is located inside the main compartment of the microwave, so you will need to open it up before you can complete this repair. This is an OEM part sourced directly from the manufacturer. Many of our customers have rated this repair as easy.
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Troubleshooting
This part fixes the following symptoms:
No heat
This part works with the following products:
Microwave, Microwave Oven Combo.
This part works with the following products:
Amana, Maytag, Jenn-Air, KitchenAid.
Part# WPR9800486 replaces these:
AP6014695, 14200283, 56001030, DE91-70063A, R0131275, R9800486, R9900303, W10160548
Questions and Answers
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Terry
November 17, 2017
Where's is it located, how do I replace it ? Can't seem to find any instructions, thank you
For model number MMV5000BAW
Hi Terry, Thank you for the question. The Diode is located next to the capacitor in behind the controls. You will need to remove the cabinet from the microwave to access the Diode.The diode is held in by 2 screws. Be sure to disconnect the power source from the microwave.The microwave can hold a charge even when unplugged so use caution. You can discharge the capacitor,Do this by touching an insulated-handled screw driver to one terminal, then slide it toward the other terminal until it makes contact and hold it there for a few seconds.Repeat the procedure to create a short between each capacitor terminal and chassis ground.Hope this helps!
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Todd
July 26, 2019
Unit operates but does not cook and I also get the smell of an electrical fire. If the problem is the black sleeve diode would it have that smell?
For model number MVH250E
Hello Todd, Thank you for the question. I suggest testing the diode with a multi meter to check for continuity. Hope this helps!
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Steven
November 20, 2018
My Amana microwave makes a loud hum and doesn't heat.
For model number ACO1560AB
Hi Steven, thank you for your question. There are a couple of parts that you should take a look at. The first part to check would be your diode. If that part is working correctly then it may be your magnetron that is the issue. I hope that helps. Good luck with your repair.
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Customer Repair Stories
Average Repair Rating: 3.7 / 5.0, 5 reviews.
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Sparks and loud hum from oven
1. I went to the internet to find the service manual for the Maytag microwave.
2. I opened up the oven and started measuring the resistance of the diode, capacitor, transformer, and magnetron between terminals and then to ground. The transformer and magnetron were well within the resistance limits. The diode was shorted in both directions(+-). The capacitor was fully open in both directions -- high resistance.
3. I ordered the 2 parts, installed them, and ran the oven. Worked perfect first time.
4. Reinstalled oven and worked ever since (1 week so far).
5. The secret was that the transformer had a load hum. I figured the transformer was OK. The magnetron had no short between filaments and ground to filaments. The only two left were the diode and capacitor. The first two are about $200 -- almost the value of a new microwave. The $70 repair was well worth it. If the first two were still bad, then tempted to buy a new oven.
2. I opened up the oven and started measuring the resistance of the diode, capacitor, transformer, and magnetron between terminals and then to ground. The transformer and magnetron were well within the resistance limits. The diode was shorted in both directions(+-). The capacitor was fully open in both directions -- high resistance.
3. I ordered the 2 parts, installed them, and ran the oven. Worked perfect first time.
4. Reinstalled oven and worked ever since (1 week so far).
5. The secret was that the transformer had a load hum. I figured the transformer was OK. The magnetron had no short between filaments and ground to filaments. The only two left were the diode and capacitor. The first two are about $200 -- almost the value of a new microwave. The $70 repair was well worth it. If the first two were still bad, then tempted to buy a new oven.
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Guy from Bellingham, MA -
Difficulty Level:Really Easy -
Total Repair Time:15 - 30 mins -
Tools:Pliers, Screw drivers -
109 of 164 people
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no heat
I looked up the #1 reason for no heat for my microwave on the site , and using my model number found that 92% of the time it was the Black Sleeve Diode. Ordered the $15 part, and installed it within 30 minutes. Most of the time was used for removing the built in microwave and removing the cover. Replaced the diode by finding it on the diagram that I printed from this site (free). Very relieved that we don't need to have our custom cabinetry re-sized to accommodate a new microwave. Thank you!
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Lisa from PARADISE, PA
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Difficulty Level:Easy
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Total Repair Time:15 - 30 mins
-
Tools:Pliers, Screw drivers
-
Parts Used:WPR9800486
25 of 25 people
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Microwave not heating
Replaced diode works great. your website said 92% diode was problem and it worked. Order fuse in case old was blown did not have to use it.
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Tommy from FORT VALLEY, GA
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Difficulty Level:Easy
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Total Repair Time:30 - 60 mins
-
Tools:Pliers, Screw drivers
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4 of 4 people
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No heat
Removed case,
Discharged HV capacitor and removed cooling fan.
Unscrewed ground end of HV diode and unplugged from HV capacitor.
Installed new diode by reversing the order. In my case, the problem was the magnetron was bad, so I replaced it as well.
Discharged HV capacitor and removed cooling fan.
Unscrewed ground end of HV diode and unplugged from HV capacitor.
Installed new diode by reversing the order. In my case, the problem was the magnetron was bad, so I replaced it as well.
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John from SANTA CLARA, CA
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Difficulty Level:Really Easy
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Total Repair Time:30 - 60 mins
-
Tools:Screw drivers
-
Parts Used:WPR9800486
2 of 2 people
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microwave not heating
removed a dozen screws-discarded large cap-replaced diode-replaced a dozen screws(took longer to replace them than remove for some unknown reason). Microwave now works(wife happy).
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Mark from GREENSBURG, PA
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Difficulty Level:Easy
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Total Repair Time:30 - 60 mins
-
Tools:Pliers, Screw drivers
-
Parts Used:WPR9800486
1 person
found this instruction helpful.
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Customer Reviews
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Mark G - August 1, 2019
Great
Wife says microwave works great. (she's happy nef said)
Beverley M - December 4, 2018
Shipping
Part did not get part for three days past went it was to arrive.
Larry D - November 14, 2018
Fix perfect and easy to install.
Part worked great. Second time I have had to order to fix microwave and fit perfect. I usually take a digital photo of connections but forgot this time. Hooked it up to wrong side of capacitor and it blew 20A 250 V fuse. My dumb mistake but hooked it up right and replaced the fuse and microwave worked fine again. The only issue I had was with delivery of part by FedEx. Paid for 2 day delivery and FedEx sent me a message it was delivered on second day at 12:12 pm and placed on my front porch. I was home and went outside 5 minutes after supposed delivery. No part to be found. Called FedEx and got the runaround. Told to wait 3 more days then file list part claim with PartsSelect. Three days later part came in the mail. Guess that two bucks extra paid for faster delivery was a waste
Model Cross Reference
This part works with the following models:
PartSelect Number: PS11747959
Manufacturer Part Number: WPR9800486
Manufacturer Part Number: WPR9800486
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