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Please state the serialnumber

In order to support you we need the following information: 1. A copy of the proof of purchase 2. The serial number of the PowerRouter 3. The serial number of the original (1st) PowerRouter when it was first installed (if applicable) 4. A copy of an extended warranty (if applicable) 5. A diagram / electrical scheme of the overall installation, which shows how much solar power (kWp) is connected 6. Overview / pictures of the installation of the PowerRouter and the immediate environment. ! Without submitting this data, we will not process your request any further !

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