PC Adapter USB
A5E00166354-02
8-1
8 Error Diagnostics
The information in the following section offers support to help you locate and
perhaps correct common errors by yourself.
Error/Cause
Remedy
POWER LED does not light
• MPI cable not connected
• Automation system is switched off
• Hardware error
• Connect MPI cable
• Switch on automation system
• Inform Customer Support
USB LED does not light
• USB cable not connected
• PC and PC Adapter USB are in energy saving
mode (hibernate mode).
• PC Adapter USB is not detected by the PC
• Connect USB cable
• Enter a reliable operating mode
• Check driver installation and reinstall if
necessary
MPI LED does not light
• MPI cable not connected
• Firmware not loaded
• Connect MPI cable
• Start the supplied firmware update
utility and check if the firmware is
loaded.
No LED lights
• MPI cable not connected
• The required 24 V are not available at the MPI
socket
• Hardware error
• Connect MPI cable
• Check cabling
• Inform Customer Support
POWER LED flashes continuously
• Hardware error • If the POWER LED of the device
continues to flash continuously even
after pulling and plugging the MPI
cable several times, the device is
defective and should be exchanged.
13.05.2003
3.05.200313.05.200313.05.2003
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