SUN2000-(33KTL, 40KTL)
User Manual
8 Maintenance
Issue 03 (2015-12-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
75
8
Maintenance
8.1 Routine Maintenance
This section describes the maintenance routine and intervals for the SUN2000.
Table 8-1
Maintenance checklist
Check
Item
Check Method
Maintenance
Interval
System
cleaning
Check periodically that the heat sink is free from
dust and blockage.
Turn off the DC switch and then turn it on at
night to clean the oxide off the switch.
Semiannually to
annually.
System
running
status
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.
Semiannually.
Electrical
Connections
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 COM and USB ports are
covered by waterproof caps.
Half a year after the
initial
commissioning, and
semiannually to
annually afterwards.
Grounding
reliability
Check that PGND cables are securely connected.
Half a year after the
initial
commissioning, and
semiannually to
annually afterwards.
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.