Power-Off For Troubleshooting - Huawei SUN2000-75KTL Series User Manual

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
For details, see
manual.
Step 2 Turn off the AC switch between the SUN2000 and the power grid.
Step 3 Set all DC switches to OFF.
Step 4 (Optional) Install screws for locking DC switches.
Figure 8-1 Install screws for locking DC switches
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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
● If the LED1 indicator of the inverter is off, the switches are in the OFF position,
● Do not operate the DC switch on the solar inverter before you finish
● The DC switch can be automatically disconnected when an internal fault is
● If the AC switch between the solar inverter and the power grid has
● Before power-off for troubleshooting, do not touch the energized components
Issue 15 (2023-01-31)
7 Man-Machine
NO TE
For the model used in Australia, perform this step to meet the local standards
CA UTION
inverter.
do not operate the DC switches of the inverter. In this case, go to
Step 5.
detected in an inverter. Do not turn on the switch before the fault is cleared.
automatically disconnected, do not turn on the switch before the fault is
rectified.
of the solar inverter. Otherwise, electric shocks or arcing may occur.
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8 Maintenance
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