7. Switch off the converter power supply.
8. Wait until all LEDs on the converter are dark.
Decide whether you want to withdraw the memory card from the
converter:
● The memory card contains a data backup:
⇒ The converter has taken the settings from the memory card.
● There was no data backup on the memory card:
⇒ The converter has the factory setting.
9. Switch on the converter power supply again.
10
.
If the firmware downgrade was successful, after several seconds
the converter LED RDY turns green.
If the memory card is still inserted, depending on the previous
content of the memory card, one of the two following cases has
occurred:
● The memory card contains a data backup:
⇒ The converter has taken the settings from the memory card.
● There was no data backup on the memory card:
⇒ The converter has the factory setting.
11
.
If the memory card did not contain a data backup of the converter settings, then you must
transfer your settings to the converter from another data backup.
Saving the settings and series commissioning (Page 725)
You have replaced the converter firmware by an older version.
❒
Corrective maintenance
10.3 Firmware upgrade and downgrade
SINAMICS G120XA converter
858 Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
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