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Offgridtec MPPT Pro Duo - User Manual

Offgridtec MPPT Pro Duo
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Allgemeine Informationen
Offgridtec GmbH
Landshuter Str. 141 – 143
84307 Eggenfelden
WEEE-Reg.-Nr. DE37551136
Kontaktinformation
Tel: 08721-7786187
Email: info@offgridtec.com
Web: www.offgridtec.com
GFR: Christian & Martin Krannich
Konto Sparkasse Rottal-Inn
Konto: 10188985
BLZ: 74351430
IBAN: DE69743514300010188985
BIC: BYLADEM1EGF (Eggenfelden)
Sitz und Amtsgericht
HRB: 9179 Registergericht
Landshut
Steuernummer: 141/134/30045
Ust-IdNr: DE287111500
Gerichtsstand: Mühldorf am Inn
Offgridtec MPPT Pro Duo
Bedienungsanleitung

Table of Contents

Questions and Answers

  • R
    Ryan AlexanderAug 11, 2025
    What to do if Offgridtec MPPT Pro Duo system alarms a voltage fault when using a lead-acid battery?
    • J
      John ChanAug 12, 2025
      If your Offgridtec Controller system alarms a voltage fault, or alarms an over-discharge fault when BATT1 is 12V but set as 24V, or alarms an over-voltage fault when BATT1 is set as 12V and BATT2 is set as 24V, the issue might be incorrect wiring. To resolve this: * Disconnect the system. * Reconnect BATT2 first, then BATT1. * Ensure that you set the system voltage on the controller to match the BATT1 voltage.
  • M
    Matthew FryAug 17, 2025
    What to do if my Offgridtec MPPT Pro Duo red light is fast flashing?
    • J
      James HolmesAug 18, 2025
      If the red light on your Offgridtec Controller is flashing rapidly, it indicates that BATT1 is overheating. The controller will automatically shut the system off. Once the temperature decreases to below 55 ºC, the controller will resume its operation.
  • R
    Richard HarveyAug 23, 2025
    What does it mean when the red light is on solid on my Offgridtec MPPT Pro Duo?
    • Y
      yalvaradoAug 23, 2025
      A solid red light on your Offgridtec Controller indicates that BATT1 is over discharged. When the battery voltage is restored to or above the low voltage reconnect voltage (LVR), the load will recover.
  • J
    James BautistaAug 29, 2025
    Why Offgridtec MPPT Pro Duo Controller is not working even if the wire connection is correct?
    • J
      jennifer33Aug 29, 2025
      If your Offgridtec Controller is not working despite correct wire connections, the battery voltage might be too low. Ensure that the battery voltage is at least 8.5V to activate the controller.
  • S
    Sarah MannSep 4, 2025
    How to fix Offgridtec MPPT Pro Duo charging LED indicator when it's off during the daytime?
    • J
      Jessica RiosSep 4, 2025
      If the charging LED indicator on your Offgridtec Controller is off during the daytime when sunshine falls on the PV modules properly, it could be due to a PV array disconnection. Confirm that the PV wire connections are correct and tight.

Offgridtec MPPT Pro Duo Specifications

General IconGeneral
BrandOffgridtec
ModelMPPT Pro Duo
CategoryController
LanguageEnglish