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PartSelect Number PS11743000
Manufacturer Part Number WP59001168
Manufactured by Whirlpool

The high-voltage capacitor is an electronic device that holds a charge of electricity in the high-voltage circuit of the microwave. The capacitor stores electricity similar to how a battery does, but can be charged and discharged instantly. If your microwave will not produce heat, there could be an issue with the capacitor. This genuine OEM replacement high-voltage capacitor is approximately 5 inches long x 2 inches wide, and is compatible with most microwave brands. NOTE: Make sure your microwave is unplugged, and that your capacitor is discharged before you begin this repair. A capacitor stores large amounts of electricity even after your microwave is unplugged.

This part works with the following brands: Amana, Maytag, Litton, Jenn-Air, Crosley, Magic Chef, Whirlpool.

This part works with the following products: Microwave.

This part fixes the following symptoms:

  • No heat.

Questions & Answers

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Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 4.4 / 5.0, 1 reviews What's this?
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104 of 158 people found this instruction helpful

Parts Used:
Level of Difficulty: Really Easy
Time to do repair: 15 - 30 mins
Tools: Pliers, Screw drivers
Customer: Guy from Bellingham, MA

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.

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Model Cross Reference

This part works with the following models:

PartSelect Number: PS11743000
Manufacturer Part Number: WP59001168
Brand Model Number Description
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