Huawei PowerCube 500 - PV Module

PowerCube 500 (CPS300-N18A1H)
User Manual
4 Preventive Maintenance
Issue 02 (2019-08-30)
Copyright © Huawei Technologies Co., Ltd.
35
No.
Maintenance Item
Possible Fault Cause
Suggestion
output voltage range
(43.2–56.4 V DC).
3
Check whether the
battery temperature is
abnormal (the cell
temperature deviation
must be less than
6°C).
The lithium battery is
faulty.
Replace the lithium battery.
4.4 PV Module
Perform maintenance periodically based the site situation. The recommended maintenance
interval is six months.

Do not clean a damaged PV module. Instead, replace it immediately.

Clean PV modules at dawn, at dusk, or on a day without sunshine. Do not use cool water to clean
sun-warmed PV modules as it will break the glass cover on the PV modules.
Table 4-4 Maintenance checklist for PV modules and PV module supports
Category
Check Item
Check
Method
Maintenance
Condition
Solution
Appearance
Check whether
PV modules are
damaged.
Visual
observation
PV modules are
damaged.
Replace the
damaged PV
modules.
Check whether
there are oil
stains, dust, or
snow on the
surface of PV
modules.
Visual
observation
There are oil
stains, dust, or
snow on the
surface of PV
modules.
Wipe the
surface of PV
modules using
soft cotton
cloth. For the
stains hard to
remove, do it
using moderate
detergent
without
abrasives.
Check whether
the PV module
support is
corroded or
rusty.
Visual
observation
The PV module
support is
corroded or
rusty.
Remove the
rust and paint it
again.
NOTE
The paint color
is RAL 9016.
Check whether
the pole is
deformed or
Visual
observation
The pole is
deformed or

Replace the
deformed