Siemens SINAMICS G115D Operating Instructions Manual page 356

Corrective maintenance
9.6 Firmware upgrade and downgrade
6. At the end of the transfer, the LED RDY and BF (or AS-i/FLT) slowly flash red (0.5 Hz).
Power supply failure during transfer
The converter firmware will be incomplete if the power supply fails during the transfer.
– Start again with step 1 of the instructions.
7. Switch off the power supply of the converter.
8. Wait until all LEDs on the converter are dark.
9. Remove the memory card from the converter.
Note: You can also leave the memory card in the converter. The converter will behave
differently depending on whether the memory card contains a data backup:
– If the memory card contains a data backup of the converter settings:
– If the memory card does not have a data backup of the converter settings:
10.Switch on the power supply of the converter again.
If the firmware upgrade was successful, after several seconds the converter LED RDY turns
green.
You have upgraded the converter firmware to a newer version.
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⇒ The converter will take the settings from the memory card in step 10.
⇒ The converter will write its settings to the memory card in step 10.
Operating Instructions, 12/2020, FW V4.7 SP13, A5E48681219B-002
SINAMICS G115D distributed drive