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I'm trying to run a 750 watt whirlpool compact microwave with a 2500 watt Cobra inverter. The microwave runs normally, but it won't heat. If I plug it in at my house it heats fine. I'm stumped. I load tested the inverter with two hair dryers and the microwave and it seems to have good output.

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Larry

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I assume your not using a pure sine wave inverter. A lot of electronic devices won't work on a lower cost inverter (modified sine wave) that has a square sine wave, either invest in a true sine wave inverter or don't run sensitive electronic equipment, I'm somewhat surprised you didn't damage the circuit board in the microwave...Below is a link of a inverter that would work if you want to spend the money for one.
2500W 5000 Watt Power Inverter Pure Sine Wave 12V dc 110V 120V ac LCD...

Posted on Feb 05, 2018

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Anonymous

  • 4 Answers

SOURCE: Low voltage output from inverter

I am thinking this a high impediance device problem and this is normal operation - the user manual of my inverter warns about use with high impediance devices - if not I am interested also...

Posted on Mar 03, 2009

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Anonymous

  • 46 Answers

SOURCE: Inverter not working

unless you are into electronics it is cheaper to replace it! take it to a repair shop for an estimate

Posted on May 28, 2009

Anonymous

  • 4 Answers

SOURCE: power inverter

There are 8 40A fuses inside this unit. In the following pics you will see a bank of 4 and another bank with 3 of the 4 removed. I'm currently working on mine as it will cost me more to ship and have Cobra repair than I paid for the unit ($133 to repair). Good luck with your problem

Posted on Aug 24, 2010

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There are 8 40A fuses inside this unit. In the following pics you will see a bank of 4 and another bank with 3 of the 4 removed. I'm currently working on mine as it will cost me more to ship and have Cobra repair than I paid for the unit ($133 to repair). Good luck with your problem

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