EL
ErrorLib
Brands
||
  1. Home
  2. Kuka
  3. KR C2 Robot Controller
  4. 79
About·Privacy·Terms

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.

79

Pr5-Trip (Communication error with EEPROM in control unit)

Kuka · KR C2 Robot Controller

What does 79 mean?

This fault indicates a communication error with the EEPROM (Electrically Erasable Programmable Read-Only Memory) located in the control unit, affecting both KPS-600 and KSD devices. This can lead to issues saving or retrieving critical operational data and parameters, potentially causing incorrect device behavior or preventing startup.

Common Causes

  • Pr5-Trip: Communication error with EEPROM in the control unit (P1-13).
  • Corrupted data in the control unit's EEPROM.
  • Loose connection to the EEPROM module.
  • Failed EEPROM chip.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a power cycle of the control unit to attempt to re-establish communication.

  2. 2

    Check for any visible damage or loose connections to the control unit's internal memory module, if accessible for inspection.

  3. 3

    Attempt to re-upload the control unit's configuration data from a valid source.

Browse all codes in this manual (58)
Verified technical data. Last updated: April 2026

Related Faults

-1General Path Replay Error-11Path Not Found-13Empty Path Data
Source: Kuka KR C2 Robot Controller
Open Manual (Page 51)Search more codes in this manual