Step 6 Turn o all DC switches of the inverter and ensure that all switches are set to OFF.
If the DC switches of the inverter have been automatically turned o, go to the
next step.
Figure 8-1 Power-o for maintenance
Step 7 Wait for 15 minutes and troubleshoot or repair the inverter.
● Do not open the host panel for maintenance if the solar inverter is emitting
odor or smoke, or has obvious exceptions.
● If the solar inverter does not emit odor or smoke and is intact, repair or restart
it based on the alarm handling suggestions. Do not stand in front of the solar
inverter during the restart.
----End
8.3 Routine Maintenance
Maintenance Item
To ensure that the inverter can operate properly for a long term, you are advised
to perform routine maintenance on it as described in this chapter.
SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)
User Manual 8 Maintenance
Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd. 93
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