Table 3-2 PV module colors
Ratio Range (Optimizer Output
Power/Optimizer Rated Power)
PV Module Color Description
0%–20% PV module power
ratio = Optimizer
output power/
Optimizer rated
power. The color of a
PV module depends
on the power ratio
range. A darker color
indicates a smaller
power ratio, and vice
versa.
20%–40%
40%–60%
60%–80%
80%–100%
Default color The rated power of
the optimizer cannot
be reported or
obtained. As a result,
the calculation fails.
MERC Smart PV Optimizer
User Manual 3 System Maintenance
Issue 02 (2022-09-20) Copyright © Huawei Digital Power Technologies Co., Ltd. 17
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