Huawei LUNA2000-2.0MWH Series - Page 195

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
Malfuncti
on
Cause ID = 2
The air conditioners in
the control unit cabin
are faulty.
3833 Rectier
Fault
Major Cause ID = 1–6
The rectier hardware is
faulty.
1. Replace the rectier [NUMBER].
2. If the fault persists, contact your
dealer or technical support.
3834 Rectier
Protection
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
rectier [NUMBER] is blocked. If
yes, clean it. 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
Communic
ation
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 rectier [NUMBER] and
insert it again.
3. If the fault persists, replace
rectier [NUMBER] or the
monitoring module.
4. If the fault persists, 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 rectier [NUMBER].
2. If the fault persists, contact your
technical support.
3837 Rectier
Output
Overvolta
ge
Major Cause ID = 1–6
Lockout has occurred
due to output
overvoltage.
1. Remove the rectier and then
insert it 1 minute later.
2. If the fault persists, contact your
dealer or technical support.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 185