Huawei LUNA2000-200KWH-2H1 Smart String ESS User Manual page 166

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alarm Alarm
ID Name
3821 Air
Conditio
ner DC
Overvol
tage
3822 Air
Conditio
ner DC
Undervo
ltage
3825 UPS
Alarm
Issue 02 (2023-02-28)
Alarm Possible Cause
Severit
y
Major Cause ID = 1–13
1. [HVAC-No] The
input voltage is
higher than the
overvoltage
threshold.
2. The overvoltage
threshold setting is
improper.
3. The voltage test
device is faulty.
Major Cause ID = 1–13
1. [HVAC-No] The
input voltage is
lower than the
undervoltage
threshold.
2. The undervoltage
threshold setting is
improper.
3. The voltage test
device is faulty.
Major Cause ID = 1
A UPS alarm has been
generated.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
Measure the voltage of the air
conditioner power supply, record it, and
contact your technical support.
Measure the voltage of the air
conditioner power supply, record it, and
contact your technical support.
Troubleshoot the fault by referring to the
alarm troubleshooting section in the UPS
user manual.
13 Alarm Reference
158