Huawei ACBox2000-21-D-A, User Manual

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ACBox2000-21-D-A
User Manual (Pan-Europe Edition)
7 Routine Maintenance
Issue 01 (2016-12-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
43
7
Routine Maintenance
Before maintaining the ACBox2000, power it off. For details, see 6.3 Powering Off the
ACBox2000 .

Ensure that the AC circuit breaker between the ACBox2000 and the box-type transformer
is OFF. Place a warning sign at the AC circuit breaker to avoid incidents caused by
switch-on of the circuit breaker.
 Ensure that all DC switches of the two inverters that connect to the ACBox2000 are OFF.
Table 7-1 Maintenance list
Item Check Method Maintenance
Interval
System
running
status  Check that the ACBox2000 is not damaged or
deformed.
 Check that the ACBox2000 does not generate
abnormal sound when it is in operation.
Semiannual
Cable
connectio
ns 
Check that cables are securely connected.

Check that cables are intact, in particular, the
parts touching the metallic surface are not
scratched.
The first inspection is
half a year after the
initial commissioning.
From then on, the
interval can be
semiannual or annual.
Groundin
g
reliability
Check that ground cables are securely connected.
The first inspection is
half a year after the
initial commissioning.
From then on, the
interval can be
semiannual or annual.