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ErrorLib — Industrial Fault Code Library

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E8034

Emergency-Stop

Bosch Rexroth · IndraDrive C Drive Controllers

What does E8034 mean?

An Emergency Stop condition has been detected, causing an immediate and controlled shutdown of the drive and potentially the entire machine. This is a critical safety response.

Common Causes

  • Emergency Stop button pressed.
  • Activation of an external safety device (e.g., light curtain, safety gate switch).
  • Fault in the emergency stop circuit wiring or components.
  • Safety PLC or logic error triggering the Emergency Stop.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Identify and release the activated Emergency Stop button or reset the safety device that triggered the E-Stop.

  2. 2

    Verify the integrity of the Emergency Stop circuit wiring, including all series-connected safety contacts.

  3. 3

    Check the status of all safety inputs to the drive or safety PLC to identify which one initiated the E-Stop.

  4. 4

    Reset the drive and machine control system once the E-Stop condition is cleared and confirmed safe.

Browse all codes in this manual (66)
Verified technical data. Last updated: April 2026

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Source: Bosch Rexroth IndraDrive C Drive Controllers
Open Manual (Page 316)Search more codes in this manual