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SUN2000-440W-IA0 Smart Module
User Manual
Maintenance Item
Smart Module cleaning
Connector and cable
Do not clean a Smart Module whose glass is broken, backsheet is damaged, or
wires are exposed. Otherwise, electric shocks may occur.
4.8 Replacing a Smart Module
Prerequisites
●
●
Procedure
Step 1 Wear insulated gloves.
Step 2 Power off the inverter.
Step 3 Disconnect the output terminals of the optimizer.
Issue 01 (2023-09-15)
D ANGER
NO TE
● Contact professionals or trained personnel for the Smart Module inspection and
maintenance.
● Do not use detergents containing alkali or acid to clean Smart Modules. In any case, do
not use materials with rough surfaces to clean Smart Modules.
● To prevent electric shocks or burns, you are advised to clean Smart Modules when the
irradiance is low and the Smart Module temperature is low, especially for Smart
Modules installed in hot areas.
Use dedicated insulated tools, and wear insulated shoes and insulated gloves
before performing operations.
Prepare a new Smart Module and ensure that the Smart Module is switched
to working mode.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Recommended
Maintenance Interval
Contact your vendor or
Huawei technical
support.
6 months
4 System Maintenance
Description
Use a sponge with clean
water or a soft cloth to
clean the glass surface.
● Check whether the
connectors are
properly sealed and
whether the cables
are securely
connected.
● Check whether cracks
or gaps at the sealant
for the junction box.
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