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NVRAM Error

Allen-Bradley · MicroLogix 1400 Programmable Controllers

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The default program has been loaded into the controller's memory. This typically happens if power was lost during a program download or transfer from a memory module, or if a RAM integrity test failed. This indicates a potential issue with the controller's non-volatile memory or its power supply.

Häufige Ursachen

  • Power down occurred during a program download to controller memory.
  • Power down occurred during program transfer from a memory module.
  • RAM integrity test failed.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Redownload or transfer the program to the controller memory.

  2. 2

    Verify that the battery is connected to the controller.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Allen-Bradley MicroLogix 1400 Programmable Controllers