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56

Ground Fault — A ground fault has occurred

Schneider Electric · MPPT 80

What does 56 mean?

A ground fault has been detected in the system. This is a safety issue and requires attention. This fault requires manual clearing.

Common Causes

  • A ground fault has occurred.
  • Wiring issue causing a connection to ground.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect all wiring for damage or unintended contact with ground.

  2. 2

    Ensure proper grounding connections are made.

  3. 3

    Manually clear the fault after the condition is resolved.

  4. 4

    If the issue persists, contact a qualified electrician or installer.

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