System Power-Off; Routine Maintenance - Huawei LUNA2000-7-S1 User Manual

LUNA2000-(7, 14, 21)-S1
User Manual

7.1 System Power-Off

Precautions
● After the system powers off, the remaining electricity and heat may still cause
● When the ESS is running, if you only turn off the DC SWITCH of the ESS, the
Powering Off the System
Step 1 Send a shutdown command to the inverter on the app.
Step 2 Turn off the AC switch between the inverter and the power grid.
Step 3 Set the DC SWITCH at the bottom of the inverter to OFF.
Step 4 (Optional) Install the locking screw for the DC SWITCH.
Step 5 Set the DC SWITCH of the ESS to OFF.
Step 6 (Optional) Install the locking screw for the DC SWITCH of the ESS.
Step 7 Turn off the DC switch (if any) between the inverter and PV strings.
----End

7.2 Routine Maintenance

Maintenance Requirements
●
Power off the system before cleaning the system, connecting cables, and checking
grounding reliability.
Issue 01 (2024-03-27)
WARNING
electric shocks and burns. Therefore, wait for 5 minutes after the system is
powered off, wear protective gloves, and then perform operations on the ESS.
You can maintain the ESS only when all indicators on the ESS are off.
system is not completely powered off. In this case, do not maintain the ESS.
To ensure that the ESS operates properly for a long term, you are advised to
perform routine maintenance as described in this section.
CA UTION
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