Figure 8-1 Install screws for locking DC switches
----End
8.2
Power-O for Troubleshooting
Context
To prevent personal injury and equipment damage, perform the following
procedure to power o the solar inverter for troubleshooting or replacement.
● When a solar inverter is faulty, try to avoid standing in front of the solar
inverter.
● If the LED1 indicator of the inverter is o, the switches are in the OFF position,
do not operate the DC switches of the inverter. In this case, go to Step 4.
● Do not operate the DC switch on the solar inverter before you nish Step 3 to
Step 5.
● The DC switch can be automatically disconnected when an internal fault is
detected in an inverter. Do not turn on the switch before the fault is cleared.
● If the AC switch between the solar inverter and the power grid has
automatically disconnected, do not turn on the switch before the fault is
rectied.
● Before power-o for troubleshooting, do not touch the energized components
of the solar inverter. Otherwise, electric shocks or arcing may occur.
Procedure
Step 1 Wear proper personal protective equipment (PPE).
Step 2 If the solar inverter is not shut down due to a fault, send a shutdown command
on the SUN2000 app, SmartLogger, or management system. If the solar inverter
has shut down due to a fault, go to the next step.
Step 3 Turn
o the AC switch between the solar inverter and the power grid.
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 8 Maintenance
Issue 11 (2021-11-10) Copyright © Huawei Technologies Co., Ltd. 107
To Next Page
Loading...
Need help?
General