● If the original packaging is available, put the inverter inside it and then seal it
using adhesive tape.
● If the original packaging is unavailable, put the inverter inside a suitable hard
cardboard box and seal it properly.
Step 3 Dispose of the inverter.
If the inverter reaches the end of its service life, dispose of it according to local
regulations for the disposal of electrical equipment.
Step 4 Install a new inverter.
----End
8.5 Replacing a Fan
● Before replacing a fan, power o the inverter.
● When replacing a fan, use insulated tools and wear PPE.
Procedure
Step 1 Remove the fan cover, disconnect fan cables, and remove the faulty fan.
Figure 8-1 Removing the faulty fan
Step 2 Install a new fan, connect and bind the cables, and install the fan cover.
----End
8.6 Locating Insulation Resistance Faults
If the ground resistance of a PV string connected to the SUN2000 is too low, the
SUN2000 generates a Low insulation resistance alarm.
SUN2000-(8K, 10K)-LC0 Series
User Manual 8 System Maintenance
Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 104
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