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.
Repair Steps
- 1
Perform a power cycle of the control unit to attempt to re-establish communication.
- 2
Check for any visible damage or loose connections to the control unit's internal memory module, if accessible for inspection.
- 3
Attempt to re-upload the control unit's configuration data from a valid source.
Verified technical data. Last updated: March 2026
Source: Kuka KR C2 Robot Controller