KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC0380

KUKA Robot KRC0380 - Check cable and device. FORMAT ERROR

This alarm indicates a hardware communication error on the Intelligent CPU (ICPU) interface, typically involving malformed data packets or protocol violations during signal transmission. The FORMAT ERROR suggests that data received by the ICPU does not conform to the expected communication protocol structure, preventing proper interpretation of commands or status information. This is a critical hardware-level diagnostic error that requires immediate investigation of physical connections and device integrity.

KUKA RobotSystemBasic

KRC0380

KUKA Robot KRC0380 - Check cable and device. FORMAT ERROR

Check cable and device. FORMAT ERROR

This alarm indicates a hardware communication error on the Intelligent CPU (ICPU) interface, typically involving malformed data packets or protocol violations during signal transmission. The FORMAT ERROR suggests that data received by the ICPU does not conform to the expected communication protocol structure, preventing proper interpretation of commands or status information. This is a critical hardware-level diagnostic error that requires immediate investigation of physical connections and device integrity.

Common Causes

  • Loose, damaged, or improperly seated network/communication cables connected to the ICPU
  • Corrupted or incompatible firmware version on the ICPU or connected peripheral devices
  • Electromagnetic interference (EMI) causing data corruption on communication lines
  • Defective network interface card (NIC) or communication port on the ICPU hardware
  • Misconfigured communication parameters or protocol settings in the controller software

Troubleshooting Steps

  1. 1Power down the KRC controller completely and visually inspect all cables connected to the ICPU for damage, corrosion, or loose connections; reseat all connectors firmly
  2. 2Verify that all communication cable shielding is intact and properly grounded to reduce electromagnetic interference exposure
  3. 3Check the ICPU firmware version in the system configuration and compare against KUKA technical documentation; update if necessary using official KUKA software
  4. 4Test communication parameters in the controller's network settings and compare against hardware specifications; reset to factory defaults if misconfiguration is suspected
  5. 5If available, connect a diagnostic tool or oscilloscope to monitor communication signals for integrity; look for signal degradation or packet loss
  6. 6If the error persists after verification steps, request RMA (Return Merchandise Authorization) for ICPU hardware replacement from KUKA service, as this indicates potential component failure

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