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Padlock icon closed

Padlock icon closed — Modbus address locked

Schneider Electric · Micrologic Control units 2.0 A, 5.0 A, 6.0 A, 7.0 A St

What does Padlock icon closed mean?

A closed padlock icon is displayed next to the Modbus address. This means the current setting is locked and cannot be changed without unlocking it first.

Common Causes

  • The Modbus address is currently locked.
  • No changes are being made to the address.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    To change the address, press the 'arrow' button to open the padlock.

  2. 2

    The first digit will then flash, indicating it is ready to be modified.

Browse all codes in this manual (19)
Verified technical data. Last updated: April 2026

Related Faults

Ap LEDAuto-protection trip LEDArrow press to confirmConfirming and locking a new settingBattery low indicationBattery charge low indication
Source: Micrologic Control units 2.0 A, 5.0 A, 6.0 A, 7.0 A St
Open Manual (Page 36)Search more codes in this manual