Kuka · KR C4 Controller
This fault indicates a failure in the charging process of the intermediate circuit within the KPP/KSP drive. This prevents the DC link from reaching its nominal voltage, disabling the power stage and preventing motor operation.
Click steps to track your progress.
Inspect the intermediate circuit cabling for proper connection and damage.
Reinitialize the drive bus by cycling Power Off / Power On.
Check the KSP module for any status indicators.
Check the KPP module for any status indicators.