Huawei SUN2000-75KTL Series - Page 122

Procedure
Step 1 Download the required software upgrade package from the technical support
website.
Step 2 Decompress the upgrade package and copy all les to the root directory of the
USB ash drive.
NO TICE
Do not modify the content in the upgrade package because the les involve RSA
signature verication. If you modify the content, the upgrade will fail.
Step 3 Connect the USB ash drive to the USB port. The system automatically identies
the USB ash drive and executes all commands specied in the boot script le.
View the LED indicator to determine the operating status.
Table 7-9 LED indicator description
LED Indicator Status Meaning
Green o There is no operation with a USB
ash drive.
Blinking green slowly There is an operation with a USB
ash drive.
Blinking green fast An operation with a USB ash
drive has failed.
Steady green An operation with a USB ash
drive is successful.
Step 4 The system automatically restarts when the upgrade is completed. All LED
indicators are o during the restart. After the restart, the indicator is blinking
green slowly for 1 minute and then it becomes steady green, which indicates that
the upgrade is successful.
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SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 7 Man-Machine Interactions
Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. 112