Huawei SUN2000-28KTL User Manual page 108

SUN2000 (8KTL-28KTL)
User Manual
LCD
Issue 12 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
7 Man-Machine Interaction
Procedure
3. Enter the correct user name and password
by pressing or
NOTE
The optional user names are Advanced User

and Special User.
 After the authentication is successful, the
system keeps the authentication information for
30 seconds. If you exit from the Maintenance
screen and log in again within 30 seconds, no
authentication is required.
4. Choose USB Expansion and press
NOTE
If no USB flash drive is detected, the LCD displays
a message prompting that a flash drive needs to be
inserted.
5. Select a menu by pressing
and press .
The menu that can be selected are Firmware
Upgrade, Config Import, Config Export,
and Data Export.
 To upgrade the firmware, perform step 6.

To import configurations, perform step 7.

To export configurations, perform step 8.
 To export alarms, performance data, and
log data, perform step 9.
6. Confirm the target version and press
NOTICE
 Firmware upgrade is allowed only when the
SUN2000 is properly connected to the PV
strings (the PV connection indicator is green).
 Before upgrading the firmware, download the
upgrade package from
http://support.huawei.com, decompress the
package, and copy the files to the root directory
of the USB flash drive.
, and press .
.
and ,
.
101