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9
FAQ
How Should I View Active Alarms?
Connect a USB data cable or a Bluetooth module to the USB port of the SUN2000 to implement
the communication between the SUN2000 and the app. After login, tap Alarm on the Function
Menu screen to display the Active Alarm screen.
10
Troubleshooting
Symptom
The PV string is
connected reversely.
Appendix: Power Grid Codes
No.
Power Grid Code
1
IEEE 1547-MV480
2
IEEE 1547a-MV480
3
PRC_024_ERCOT-MV480
4
PRC_024_Eastern-MV480
5
PRC_024_Western-MV480
6
PRC_024_Quebec-MV480
7
ELECTRIC RULE NO.21-MV480
8
HECO-MV480
NOTE
Grid codes are subject to change. The listed codes are for your reference only.
Function Menu
Possible Cause
The PV string cables
are connected
reversely during the
SUN2000 installation.
NOTICE
The preset passwords for Common User,
Advanced User, and Special User of the
SUN2000 app are 00000a.
Use the preset password upon initial login. To
ensure account security, change the password
immediately after login.
The screenshots in this document correspond to
app 2.1.20.101 (Android).
NOTE
Tap
to return to the login screen.
By default, the SUN2000 can be grid-tied and you
do not have to set parameters. You can modify
the parameters based on site requirements. For
details about parameter configuration, see the
SUN2000 APP User Manual.
Suggestion
Wait until the solar irradiance declines at night and the
PV string current reduces to below 0.5 A. Then, turn
off the two DC switches, remove the positive and
negative connectors, and correct the polarity of the DC
input power cable.
Country and Condition
US medium-voltage power grid
2016 US medium-voltage power grid
Texas medium-voltage power grid
Eastern US medium-voltage power grid
Western US medium-voltage power grid
Quebec medium-voltage power grid
California medium-voltage power grid
Hawaii medium-voltage power grid
16
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