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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.

1030

WSD Open

Fronius · Symo Advanced

What does 1030 mean?

This status indicates that a device connected in the Wired Shutdown (WSD) chain has interrupted the signal line, possibly due to a tripped surge protection device (SPD), the removal of an installed bypass, or a missing trigger device. This condition results in the inverter's operating LED flashing red. It prevents normal operation until the WSD chain integrity is restored.

Common Causes

  • A device in the WSD chain, such as a surge protection device, has interrupted the signal line.
  • The bypass installed ex works as standard has been removed from the WSD chain.
  • A required trigger device has not been installed in the WSD chain.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    If an SPD surge protection device has tripped, arrange for the inverter to be repaired by an authorized specialist.

  2. 2

    Install the bypass installed ex works as standard or a suitable trigger device into the WSD chain.

  3. 3

    Turn the WSD (wired shutdown) switch to position 1 (WSD primary device) to enable the primary device functionality.

Browse all codes in this manual (41)
Verified technical data. Last updated: April 2026

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Source: Fronius Symo Advanced
Open Manual (Page 149)Search more codes in this manual