8 Maintenance
Prerequisites
● Wear insulated gloves and use insulated tools to prevent electric shocks or
short circuits.
● Before performing maintenance, power o the equipment, follow the
instructions on the delayed discharge label, and wait for a period of time as
specied to ensure that the equipment is not energized.
8.1 Shutdown and Power-O
Context
● If two SUN2000s share the same AC switch on the AC side, power o the two
SUN2000s.
● After the SUN2000 powers
o, the remaining electricity and heat may still
cause electric shocks and body burns. Therefore, put on protective gloves and
begin servicing the SUN2000 15 minutes after the
power-o.
Procedure
Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or NMS.
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 8 Maintenance
Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. 113
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