
RGB LED Chapter: Status LEDs
Beckhoff New Automation Technology CB4053 page 41
5.2 RGB LED
The CB4053 has an RGB LED, which can signal status messages by using different colors and flash
intervals.
Status Codes RGB LED:
Color Interval Meaning
none solid Invalid system state
White solid
The microcontroller has just been flashed and is being prepared for normal
operation after reboot
Cyan solid Reserved
Magenta solid Reserved
Blue solid Reserved
Yellow solid Reserved
Green solid Board operates normal
Red solid Board is in Reset
Green/Yellow
flashing Bootloader operates normal
Red flashing Firmware is being started (start sequence still running)
Red/Yellow flashing Bootloader is being started (start sequence still running)
Red/Magenta
flashing Checksum error during I2C transmission in bootloader
Red/Blue flashing Update completed, waiting for manual Reset
Yellow flashing (10s) S5 state
Yellow flashing (6s) S4 state
Yellow flashing (3s) Reserved
Yellow flashing (0.5s) Reserved
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