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This error is displayed from version 1.9.2 on and means that N and L are switched, which will subsequently damage and burn the motherboard.

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To prevent this please follow Etrel INCH electrical and physical installation guides and the on the protection element, located inside the INCH charger.

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View file
nameEtrel_INCH_Electrical_Installation_Specifics (1).pdf
height250
View file
nameEtrel_INCH_Physical_Installation (1).pdf
height250



3 phase connection:

  • correct:
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  • wrong (L1 and N switched):
    Image Modified
  • wrong (L2 and N switched):
    Image Modified
  • wrong (L3 and N switched):
    Image Modified

Please measure between each phase and ground. Results:

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1 phase connection:

  • correct:
    Image Modified
  •  wrong (switched L1 and N):
    Image Modified

Please measure between phase and ground. Result:

Image Modified