Repairs, services and support for inverters from Advanced Energy (AE), Refusol, Siemens, Schüco, Diehl-Ako and Steca


AEI Power GmbH string-
and central inverters' service


AEI Power GmbH provides repair and other services for inverters from Advanced Energy, Refusol, Siemens, Schüco, Diehl-Ako and Steca

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REFUsol icon
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What we offer

Support, maintenance, on-site service, repairs, measurements in plants and monitoring for

  • Central inverters: REFUsol 100K, 333K, 500K and 630K
  • String inverters 8K to 46K

About us

AEI Power GmbH is a subsidiary of Advanced Energy Industries, Inc. based in Fort Collins, USA and the successor of REFUsol GmbH based in 72555 Metzingen, Germany.

We are manufacturers of inverters of the brands REFUsol, AE Advanced Energy and have also manufactured them for various OEMs, including Siemens, Steca, Diehl Ako and Schüco.

Why should you have your inverter repaired by AEI Power?

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Service & Support

Support before and after a repair
  • We offer 1st, 2nd and 3rd Level support by our trained staff.
Repairs
  • All repairs are performed according to MANUFACTURER'S DIRECTIVE. This can only be done by us and our affiliated service partners.
On-site service
  • Our support team is usually able to determine based on your error description whether a repair on site would be possible and suggest a service partner nearby. This will save you unnecessary costs, such as uninstalling and reinstalling the inverter, shipping and yield losses…
For more information Login with your existing AE-Sitelink account or register.

Why should you have your central inverter repaired by AEI Power?

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Central inverter service

  • On-site repair service
  • Maintenance according to manufacturer's instructions
  • Individual maintenance contracts according to your wishes
  • Retro-Fit
For further information see AE SiteLink online services.

Why should you have your inverter repaired by AEI Power?

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Short repair cycle time

As manufacturer, we have the best possible experience and testing equipment to carry out rapid fault analysis.
We have all necessary spare parts in stock and can therefore guarantee a quick repair. Usually we need max. 7 working days from goods receipt to goods issue.

Why should you contact AEI Power if your inverter is defective?

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Transport

We are happy to organize and take care of the pick-up and return delivery for you.

Alternatively, you can also take care of the transport yourself. For this purpose, we offer you packaging material.

For further information see transport costs.

Why should you contact AEI Power if your inverter is defective?

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Safety & Warranty

The test equipment specially developed by AEI Power for the production of the device and exclusively used by us is applied to check any repairs carried out prior to delivery in accordance with manufacturer's guidelines and in accordance with ALL required test standards.

The repaired device and replacement devices therefore have the highest possible level of safety.

Only we, AEI Power GmbH, as the manufacturer, can offer this.
We provide you with 12 months warranty on our repair and the exchange devices (overvoltage and external fault excluded).

Why should you contact AEI Power with your defective inverter?

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Cost reduction & Transparency

The repair or the replacement of a unit is still cheaper than a new inverter. It can be put back into operation without any additional effort, e.g. new cabling.

Our experienced support team can usually determine from your fault description whether on-site repair is possible and can suggest a service partner nearby. This will save you unnecessary costs, such as dismantling and reinstalling an inverter, shipping or loss of yield.

For more information see the pricing for repairs .
Clear flat rates for
  • Only diagnosis
  • Repair according to manufacturer's guidelines with
    • Easy cleaning
    • Research/cost estimate
    • Replacement of defective parts, as well as any possible defects. age-related, prophylactic replacement of components by original components
    • Software and Firmware update
    • Final inspection
  • For additional expenditure
    • Cleaning in case of disproportionately heavy soiling
    • Replacement of broken connector plugs
For more information Login with your existing AE-Sitelink account or register.

Why should you contact AEI Power if your inverter is defective?

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Insurance - Quotation

You need a detailed error report for your insurance because you suspect an overvoltage damage?

No problem.

With us, you can also only order device diagnostics or a quotation and receive a report for your insurance.

Why should you contact AEI Power if your inverter is defective?

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Exchange - Offer

If a repair should no longer be economical, we offer you a replacement unit or a new unit suitable for your system at fair conditions.

The irreparable unit will be disposed of by us in a professional and environmentally friendly manner.

Why should you have your inverter repaired by AEI Power?

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For the sake of the environment

Up to 80 % avoidance of electrical scrap. As a manufacturer, we can recondition and reuse the majority of defective circuit boards.

Over 85% of defective inverters can be repaired, sometimes even on site.

Unrepairable devices are disposed of professionally and environmentally compatible by us.

Why use AE SiteLink Monitoring?

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Monitoring

With our monitoring portal AE SiteLink you get detailed, meaningful information and statistics about your PV system.

In case of malfunctions or error messages, our support can quickly and accurately analyze the cause of the malfunction and offer solutions with the help of AE SiteLink.

Automatic e-mail notifications inform you immediately about important events such as malfunctions. So you can react promptly and minimize downtimes.

With our Smartphone Apps you have all relevant data at your fingertips at all times, even on the move.

AE SiteLink is also available as iOS and Android App.
For further information see AE SiteLink online services.