User guide

11
TROUBLESHOOTING
cont.
Difficulty closing device cap
If the device cap is difficult to close, check the red rubber sealing ring on the main part of the device. If the ring
is slightly twisted, use your fingernail to gently lift the ring and roll it out of the groove towards the USB
connector—about as far as the LEDs. Then, roll the ring back into the groove. Repeat if necessary.
Solid red The device is locked.
Blue LED Indicates a data transfer activity for all devices.
Flashing red and
blue
The device no longer has valid firmware.
Ta b l e 4 -1 : LED states for devices
State Description of state
Rubber sealing
ring