USB-Prommer
12 Commissioning Manual, 04/2020, A5E50041544-AA
You can remedy simple faults that you can diagnose yourself as follows:
POWER LED does not light up in yellow
• USB cable not plugged in
• PC is switched off
• PC and SIMATIC USB-Prommer are in pow-
er-saving mode (Hibernate mode).
• SIMATIC USB-Prommer is not recognized by
the PC.
• SIMATIC Memory Cards and SIMATIC Micro
Memory Cards cannot be edited.
• Hardware fault exists
• Plug in USB cable
• Switch on the PC
• Permissible operating mode
• Installing drivers
• Check the version of the SIMATIC STEP 7
software
• Contact Customer Support or your Siemens
contact person.
POWER LED does not light up in green
• USB cable not plugged in
• Plug-in power supply not plugged in or defec-
tive
• Plug in USB cable
• Plug in or replace plug-in power supply
Continuous flashing at the POWER LED
• Hardware fault exists • If the POWER LED of the device continues
flashing after the USB cable and the plug-in
power supply have been plugged in repeated-
ly, the device is defective and must be re-
placed.
Contact Customer Support or your Siemens
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