Siemens SINAMICS G120 Operating Instructions Manual page 376

Low voltage converters chassis devices with cu240b-2 and cu240e-2

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Table of Contents

Alarms, faults and system messages

8.1 Operating states indicated on LEDs

No communication with higher-level controller

When LED RDY flashes simultaneously:

Incorrect memory card

Firmware update failed

Firmware update is active

Converter with the CU240B-2 and CU240E-2 Control Units

Operating Instructions, 01/2017, FW V4.7 SP6, A5E34259001B AD