Maintenance; Powering Off The Sun2000 - Huawei SUN2000-28KTL User Manual

SUN2000 (8KTL-28KTL)
User Manual
This chapter describes routine maintenance and troubleshooting practices that ensure optimal
performance of the SUN2000.

8.1 Powering Off the SUN2000

Comply with the safety precautions and operation procedures specified in this section when
powering off the SUN2000 for maintenance or replacement.
Context
After the SUN2000 has shut down, residual electricity and heat may still cause electrical
shock and body burns. Therefore, only begin servicing the SUN2000 five minutes later after
shutting down.
Procedure

Issue 12 (2019-06-30)
To maintain the SUN2000, perform
a. Enter the shutdown command on the LCD.
For details, see 7.2.12 Manually Starting and Shutting down the
A shutdown command can also be run from the element management system (EMS).
For details, see the NetEco 1000S V100R002C00 User Manual.
b. Switch off the circuit breaker between the SUN2000 and the power grid.
c. Set the DC SWITCH to OFF.
d. Disconnect the RS485 communications cables.
e. Disconnect the DC input power cables.
For details, see Follow-up Procedure in
f. Disconnect the AC output power cables.
For details, see Follow-up Procedure in
g. Disconnect the PGND cables.
Copyright © Huawei Technologies Co., Ltd.
8

Maintenance

a to c. To replace the SUN2000, perform
5.3 Connecting DC Input Power
5.2 Connecting AC Output Power
8 Maintenance
a to g.
SUN2000.
Cables.
Cables.
109