SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
8 System Maintenance
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
135
Check Item
Acceptance Criteria
Maintenance
Interval
Electrical
connections
Cables are securely connected.
Cables are intact, Pay particular attention
to the cable jackets touching the metallic
surface, ensuring that they are not
scratched.
Unused DC input terminals, battery
terminals, and COM ports are sealed by
waterproofing bolts. Unused ANT ports
are sealed by watertight caps.
The first maintenance
should be conducted 6
months after the initial
commissioning. From
then on, perform the
maintenance once every
6 to 12 months.
Grounding
reliability
Ground cables are securely connected.
The first maintenance
should be conducted 6
months after the initial
commissioning. From
then on, perform the
maintenance once every
6 to 12 months.
8.2 Parts Replacement
8.2.1 Replacing the Power Compartment
Prerequisites
Before replacing the power compartment, perform the power-off operation. For details,
see
6.3 Powering Off the System
.
Before replacing the power compartment, ensure that the screw assemblies between the
maintenance compartment and mounting bracket have been tightened.
The power compartment of SUN2000-3.8KTL/5KTL/7.6KTL-USL0 and
SUN2000-9KTL/10KTL/11.4KTL-USL0 can be replaced in the same way. The following describes the
installation of the SUN2000-3.8KTL/5KTL/7.6KTL-USL0.
Procedure
Step 1
Remove the maintenance compartment cover.