Eaton Electrical Eaton Ex 3000 Rt 3u Xl 120v - 86733 (PULSML3000XL3U) UPS System Logo
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Alberto Menezes Posted on Jun 21, 2016
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HI everyone I've got several UPS Eaton EX 3000 installed in solar farms and ALL of them are malfunction

The most common error is (07 that reports as a "fan error" but is not the fan). The other one says "DC BUS VOLTAGE TOO HIGH" and all of the rest are just frozen and does't do nothing when we press buttons. Is there any technical diagram (electronic) because the installation manual...

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Bill Boyd

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  • Eaton Electr... Master 53,816 Answers
  • Posted on Jun 21, 2016
Bill Boyd
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Call the ups engineers for an answer to the problem when connected to solar power
there may be a problem in that solar panels produce various voltages during the day ( depending on the cloud coverage ) and the ups requires a reasonably steady input voltage to operate properly
I have found the eaton ups product to reliable so the suggestion to talk with the engineers to ensure that the system is compatible with the solar set up would be to your advantage

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