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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.

42

Invalid parameter A

Kuka · KRC2 KSS System Message

What does 42 mean?

The specified parameter is invalid. This condition results in maximum braking and inhibits all active commands.

Common Causes

  • A parameter value is outside its defined acceptable range or is invalid for the current configuration.
  • Configuration error: Parameter value is not recognized by the system.
  • Data input error for a specific parameter, e.g., P1-54.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Correct the invalid parameter A accordingly.

Browse all codes in this manual (36)
Verified technical data. Last updated: April 2026

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Source: Kuka KRC2 KSS System Message
Open Manual (Page 14)Search more codes in this manual