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ErrorLib — Industrial Fault Code Library

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8701

External active power setpoints are invalid (smaller than 2 mA)

SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter

What does 8701 mean?

The external active power setpoints received by the inverter are invalid because they are smaller than 2 mA. The inverter will use the last valid value or, after a day change, Pmax. This is a warning that does not affect inverter behavior immediately.

Common Causes

  • Incorrect configuration of external active power control.
  • Faulty external control device providing invalid setpoints.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the external active power setpoint source and its output signal.

  2. 2

    Ensure the external control device is functioning correctly.

Browse all codes in this manual (29)
Verified technical data. Last updated: April 2026

Related Faults

0103*Grid voltage is too high (redundant monitoring)0104*Grid voltage is too high (standard monitoring)0203*Grid voltage is too low (redundant monitoring)
Source: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
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