Here a short descripton how to control the LEDS
Power LED Blue on echo 255 > /sys/class/leds/power_blue_led/brightness Power LED Blue off echo 0 > /sys/class/leds/power_blue_led/brightness Power LED RED on echo 255 > /sys/class/leds/power_red_led/brightness Power LED RED off echo 255 > /sys/class/leds/power_red_led/brightness otb LED on echo 255 > /sys/class/leds/otb_led/brightness otb LED off echo 0 > /sys/class/leds/otb_led/brightness USB LED 1 on echo 255 > /sys/class/leds/usb_1_led/brightness USB LED 1 off echo 0 > /sys/class/leds/usb_1_led/brightness USB LED 2 on echo 255 > /sys/class/leds/usb_2_led/brightness USB LED 2 off echo 0 > /sys/class/leds/usb_2_led/brightness USB LED 3 on echo 255 > /sys/class/leds/usb_3_led/brightness USB LED 3 off echo 0 > /sys/class/leds/usb_3_led/brightness USB LED 4 on echo 255 > /sys/class/leds/usb_1_led/brightness USB LED 4 off echo 0 > /sys/class/leds/usb_1_led/brightness