Corrective maintenance
10.5 Upgrading the firmware
Inverter with CU230P-2 Control Units
Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
349
7. Remove the card with the firmware from the inverter.
8. Switch off the inverter power supply.
9. Wait until all LEDs on the inverter are dark.
10.Switch on the inverter power supply.
11.If the firmware upgrade was successful, after several seconds the inverter LED RDY
turns green.
You have successfully updated the firmware to a more recent version. When upgrading, your
settings in the inverter are kept.
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