Indicator Color Status Description
Steady on ● A warning is generated due to
ambient overtemperature.
● A shutdown protection alarm is
generated due to ambient
overtemperature or
undertemperature.
AC input overvoltage or undervoltage
protection is triggered.
The PSU is hibernating.
Blinking (0.5
Hz)
The communication between the PSU
and an external device is interrupted.
Fault
indicator
Red O The PSU is normal.
Steady on The module locks out due to output
overvoltage.
The PSU has no output due to internal
faults.
2.4.2 Monitoring System
Figure 2-11 Position of the monitoring system
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 2 Product Description
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 37
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