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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

8702

Several digital active power setpoints are available

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

What does 8702 mean?

Multiple digital active power setpoints are being received by the inverter simultaneously. This indicates a conflict in control signals and the inverter cannot determine which setpoint to use. This is a warning that does not affect inverter behavior immediately.

Common Causes

  • Multiple external sources attempting to control active power simultaneously.
  • Incorrect wiring or configuration of digital inputs.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Identify and resolve the conflict in digital active power setpoint sources.

  2. 2

    Review the wiring and configuration of digital inputs for active power control.

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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