Huawei SUN2000-175KTL-H0 User Manual page 74

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)
User Manual

Before cleaning the system, connecting cables, and maintaining the grounding reliability,
power off the system and ensure that the three DC switches on the inverter are OFF.

If you need to open the maintenance compartment door in rainy or snowy days, take
protective measures to prevent rain or snow entering the maintenance compartment. If
unavoidable, do not open the maintenance compartment door.
Maintenance list
Item


System running
status
Electrical
connections
Grounding
reliability
Issue 02 (2019-06-05)
Check Method
Cleanness of air 
intake and
exhaust vents
Fans







Ground cables are securely connected.
Copyright © Huawei Technologies Co., Ltd.
Check whether there is dust on the
air intake and exhaust vents. If
necessary, remove the baffle of the
air intake vent.
Check whether the fans produce
abnormal sounds during operation.
The inverter is not damaged or
deformed.
The inverter operates with no
abnormal sound.
When the inverter is running, check
whether all inverter parameters are
correctly set.
Cables are securely connected.
Cables are intact, and in particular,
the parts touching the metallic
surface are not scratched.
Check that the idle COM and USB
ports are locked by waterproof caps.
8 Maintenance
Maintenance Interval
Once every 6 to 12
months
Once every 6 months
The first inspection is 6
months after the initial
commissioning. From
then on, the interval can
be 6 or 12 months.
The first inspection is 6
months after the initial
commissioning. From
then on, the interval can
be 6 or 12 months.
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