Diagnostics
5
Indicator lights
Two indicator lights in the front door of the distributed inverter box indicate the status of the
inverter:
Indicator lights Inverter status
-PF1 lights up green: The inverter is ready.
-PF2 lights up red: The inverter signals a fault.
Diagnostics in detail
More detailed information about faults and warnings of the inverter can be obtained with the
following tools or accessories:
● STARTER and Startdrive PC tools
STARTER and Startdrive access the inverter via PROFINET.
● Operator Panel IOP-2
The IOP-2 is plugged into the CU250S-2 Control Unit.
You can find complete information about faults and warnings in the Internet:
CU250S-2 List Manual (https://support.industry.siemens.com/cs/ww/en/view/109482981)
You can find additional information about the PC tools and Operator Panel in the Internet:
STARTER videos (http://www.automation.siemens.com/mcms/mc-drives/en/low-voltage-
inverter/sinamics-g120/videos/Pages/videos.aspx)
Startdrive tutorial (http://support.automation.siemens.com/WW/view/en/73598459)
Operating instructions IOP-2 (https://support.industry.siemens.com/cs/ww/en/view/
109752613)
Distributed inverter box
Manual, 06/2018, A5E43491109B AB 21
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