Power-Off For Troubleshooting - Huawei SUN2000-100KTL Series User Manual

SUN2000-(100KTL, 110KTL, 125KTL) Series
User Manual
Figure 8-1 Install screws for locking DC switches
----End

8.2 Power-Off for Troubleshooting

Context
To prevent personal injury and equipment damage, perform the following
procedure to power off the solar inverter for troubleshooting or replacement.
● When a solar inverter is faulty, try to avoid standing in front of the solar
● Do not operate the DC switch on the solar inverter before you finish
● If the AC switch between the solar inverter and the power grid has
● Before power-off for troubleshooting, do not touch the energized components
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 off the AC switch between the solar inverter and the power grid.
Issue 07 (2020-09-15)
CA UTION
inverter.
Step 5.
automatically disconnected, do not turn on the switch before the fault is
rectified.
of the solar inverter. Otherwise, electric shocks or arcing may occur.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Step 3 to
105