KUKA KR C5 micro KSS troubleshooting

CSP LED is also an important clue. LED1 white indicates operating mode, LED2 green indicates operating status, LED3 red indicates error, and LED4 white indicates sleep/soft power. All off indicates that the controller is turned off; Irregular flashing of LED4 indicates sleep mode; LED4 flashing slowly indicates Bus Power Off. When LED1 to LED4 are all on during startup, it indicates LED testing, and then turning off indicates that BIOS POST is still running; LED2 slow flashing indicates that BIOS is OK and startup has started; LED2 lights up to indicate startup completion. When running, LED2 lights up to indicate T1/T2, and LED1 and LED2 lights up to indicate automatic mode. LED3 flash indicates PROFINET ping, slow flash indicates maintenance mode. Regarding startup errors: LED2 flashing and LED3 lit up indicate a BIOS error. You can replace the SSD or check the USB; If LED2 flashes slowly and LED3 lights up, it indicates that PMS startup has timed out and the mirror needs to be reloaded; LED2 and LED3 flash rapidly, indicating a software startup error and the need to reload the image; During operation, both LED2 and LED3 are lit, indicating a fatal error. Please check the smartPAD error message. The recovery image can be created or restored using KUKA. Recovery USB V4 or higher, in conjunction with Windows 10 64 bit PC, following the CSP status prompt to create or restore C and D drive images. If the system board LED lights up red, turn off the controller, unplug the power cord, and contact KUKA customer service.