Routine Maintenance - Huawei ACBox2000-21-D0-A-US User Manual

ACBox2000-21-D0-A-US
User Manual (U.S. Edition)
Before maintaining the ACBox2000, power it off. For details, see
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
System
running
status
Cable
connectio
ns
Groundin
g
reliability
Issue 01 (2016-12-15)
7
Check Method
 Check that the ACBox2000 is not damaged or
deformed.

Check that the ACBox2000 does not generate
abnormal sound when it is in operation.
 Check that cables are securely connected.
 Check that cables are intact, in particular, the
parts touching the metallic surface are not
scratched.
Check that ground cables are securely connected.
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Routine Maintenance

6.3 Powering Off the
7 Routine Maintenance
Maintenance
Interval
Semiannual
The first inspection is
half a year after the
initial commissioning.
From then on, the
interval can be
semiannual or annual.
The first inspection is
half a year after the
initial commissioning.
From then on, the
interval can be
semiannual or annual.
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