Routine Maintenance; Troubleshooting - Huawei SUN2000-28KTL User Manual

SUN2000 (8KTL-28KTL)
User Manual
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8.2 Routine Maintenance

To ensure that the SUN2000 can operate properly for a long term, you are advised to perform
routine maintenance on it as described in this chapter.


Table 8-1 Maintenance list
Check
Item
System
cleaning
System
running
status
Electrical
Connectio
ns
Groundin
g
reliability

8.3 Troubleshooting

This section describes troubleshooting measures for common fault alarms in the SUN2000.
Issue 12 (2019-06-30)
For details, see Follow-up Procedure in
Before cleaning the system, and maintaining the cable connections and grounding
reliability, power off the system (see
DC SWITCH on the inverter is OFF.
Before wiping the heat sink clean, switch off the circuit breaker between the SUN2000 and
the power grid, set the DC SWITCH to OFF, and wait at least 5 minutes after the
SUN2000 is powered off.
Check Method
Check periodically that the heat sinks are free from
obstacles or dust.

Check that the SUN2000 is not damaged or
deformed.
 Check for normal sound emitted during operation
of the SUN2000.
 Check that all SUN2000 parameter settings are
correctly set during operation.
 Check that cables are securely connected.

Check that cables are intact and the parts in
contact with a metallic surface are not scratched.
 Check that the idle RS485 and USB ports are
covered by waterproof caps.
Check that PGND cables are securely connected.
Copyright © Huawei Technologies Co., Ltd.
5.1 Connecting PGND
8.1 Powering Off the SUN2000) and ensure that the
8 Maintenance
Cables.
Maintenance
Interval
Semiannually to
annually.
Semiannually.
Half a year after the
initial commissioning,
and semiannually to
annually afterwards.
Half a year after the
initial commissioning,
and semiannually to
annually afterwards.
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