Huawei ACBox Series, User Manual

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ACBox 12-In 1-Out AC Combiner Box
User Manual
7 Maintenance
Issue 03 (2018-05-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
36
7
Maintenance
7.1 Routine Maintenance
To ensure that the ACBox can operate properly for a long term, you are advised to perform
routine maintenance on it as described in this chapter.
 Before cleaning the system and maintaining the cable connections and grounding
reliability, power off the system (see
6.4 Powering Off the System for details) to ensure
that the ACBox is de-energized and will not cause personal injury.

If you need to open the cabinet door in rainy or snowy days, take protective measures to
prevent rain and snow entering the cabinet. If it is impossible to take protective measures,
do not open the cabinet door in rainy or snowy days.
Table 7-1 Maintenance checklist
Item Check Method Maintenance Interval
Cabinet

Check that the ACBox is not damaged or
deformed.
 Check that there is no dust or dirt in the
ACBox.
Once every twelve months
System
running status  Check that all devices in the ACBox are
running properly.

Check that the running sound of the
ACBox is normal.
Once every six months
Electrical
connections  Check that cables are securely connected.
 Check that cables are intact, in particular,
the parts touching the metallic surface are
not scratched.
Once every six to twelve
months
Grounding
reliability Check that all ground cables are securely
connected. Once every six to twelve
months