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Red LED solid

Red LED solid — Fault or error condition present

Schneider Electric · MPPT 80

What does Red LED solid mean?

The charge controller's red LED is solid when a fault or error is present. A fault message will also be displayed on the gateway device. MPPT and charging functions may be disabled.

Common Causes

  • A fault or error condition has occurred.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    View the fault or error message on the gateway device.

  2. 2

    Consult the 'Faults' or 'Events' section for troubleshooting steps.

  3. 3

    Some faults require manual clearing after the condition is resolved.

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 58)Search more codes in this manual