Huawei LUNA2000-200KWH-2H1 - Page 43

Alarm
ID
Alarm
Name
Alarm
Severit
y
Possible Cause Suggestion
3834 Rectier
Protecti
on
Major Cause ID = 1–6
1. The AC voltage is
abnormal.
2. The ambient
temperature is too
high.
1. Check whether the AC input voltage is
greater than 300 V. If yes, check the
power supply.
2. Check whether the air vent of the
faulty rectier [Number] is blocked. If
yes, clean the air vent. Check whether
there is a heat source near the air
vent. If yes, remove the heat source.
Check whether the heat dissipation
fan is damaged. If yes, replace the
rectier.
3. If the fault persists, contact your
technical support.
3835 Rectier
Commu
nication
Failure
Major Cause ID = 1–6
1. The rectier has
been removed.
2. The rectier is
faulty and not
working.
1. Turn o the AC input switch of the
PSU.
2. Remove the rectier [Number] and
insert it again.
3. If the fault persists, replace the
rectier [Number] or monitoring
module.
4. If the fault persists after the
replacement, contact your technical
support.
3836 Rectier
Power
Failure
Major Cause ID = 1–6
The AC loop is
disconnected.
1. Check whether the AC input voltage is
less than 80 V. If yes, check the power
supply. If not, replace the faulty
rectier [Number].
2. If the fault persists after the
replacement, contact your technical
support.
3837 Rectier
Output
Overvol
tage
Major Cause ID = 1–6
The PSU locks out due
to output overvoltage.
1. Turn o the AC input switch of the
PSU.
2. Remove the rectier [Number] and
insert it again.
3. If the fault persists, replace the
rectier [Number] or monitoring
module.
4. If the fault persists after the
replacement, contact your technical
support.
LUNA2000-200KWH-2H1 Smart String ESS
Maintenance Manual 3 Alarm Reference
Issue 02 (2023-02-28) Copyright © Huawei Digital Power Technologies Co., Ltd. 37