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77

Input Over Current Error — DC Input current is too high

Schneider Electric · MPPT 80

What does 77 mean?

The current coming from the DC input is too high for the device to handle safely. This can lead to component damage if not addressed.

Common Causes

  • The DC Input current is too high.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the input current levels are within the device's specifications.

  2. 2

    Check for any obstructions or issues with the input wiring.

  3. 3

    Consult the device's specifications for maximum input current ratings.

  4. 4

    If the issue persists, contact support.

Browse all codes in this manual (34)
Verified technical data. Last updated: April 2026

Related Faults

10Output Under-voltage Immediate — The DC Output Voltage is too low11Output Under-voltage — The DC Output Voltage is too low2Capacitor Over Temperature — The Capacitors are too hot
Source: MPPT 80
Open Manual (Page 55)Search more codes in this manual