1287

Error during generating the stack for the IdleTask.

Bosch Rexroth · Motion Control

What does 1287 mean?

An internal software error occurred during the generation of the stack for the IdleTask. This is a serious system error, indicating a fundamental issue with the system's software components. No error recovery is possible for this fault.

Common Causes

  • Internal software error.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure the input supply voltage and current at the Bosch Rexroth Motion Control unit's power terminals, comparing against specified nominal values.

  2. 2

    Verify the current firmware version of the Bosch Rexroth Motion Control unit and check documentation for any known issues related to this specific firmware version or error code 1287.

  3. 3

    Inspect the internal diagnostic logs or error history within the controller's interface for any preceding warnings or errors that might indicate an underlying intermittent issue.

  4. 4

    Check the environmental conditions (temperature, humidity, ventilation) around the motion controller to ensure they are within the manufacturer's specified operating range.

  5. 5

    Inspect all external cabling, including power, communication, and I/O connections, for loose connections, damage, or proper shielding and grounding.

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults

Source: Bosch Rexroth Motion Control