Maintenance; Routine Maintenance - Huawei SUN2000-42KTL User Manual

SUN2000-(36KTL,42KTL)
User Manual

8.1 Routine Maintenance



Table 8-1 Maintenance list
Item
System
cleanlines
s
System
running
status
Cable
connectio
ns
Issue Draft A (2016-05-30)
Before cleaning the system, and maintaining the cable connections and grounding
reliability, power off the system (see
two 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 and snow entering the maintenance compartment. If it
is impossible to take protective measures, do not open the maintenance compartment door
in rainy or snowy days.
Check Method

Check periodically that the heat sinks are free
from obstacles or dust.

Maintain the DC switches at night. Turn on the
DC switches and then turn them off. In this way,
oxide on the switches is removed.
 Check that the inverter is not damaged or
deformed.
 Check that the running sound of the inverter is
normal.
 When the inverter is running, check that all
inverter parameters are correctly set.
 Check that cables are securely connected.
 Check that cables are intact, in particular, the
parts touching the metallic surface are not
scratched.
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8

Maintenance

6.3 Powering Off the SUN2000) and ensure that the
8 Maintenance
Maintenance
Interval
Once six months to a
year
Once six months
The first inspection is
half a year after the
initial commissioning.
From then on,
perform the
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