8 Maintenance
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.
For details, see 7 Man-Machine Interactions, or the SmartLogger or NMS user
manual.
Step 2 Turn
o the AC switch between the SUN2000 and the power grid.
Step 3 Set all DC switches to OFF.
For the SUN2000-90KTL-H2, lock the DC switch using the saved screw after turning on it.
Step 4 (Optional) Install screws for locking DC switches.
SUN2000-(100KTL, 110KTL, 125KTL) Series
User Manual 8 Maintenance
Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd. 104
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