Huawei LUNA2000-200KWH-2H1 Smart String ESS User Manual page 170

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alarm Alarm
ID Name
3834 Rectifier
Protecti
on
3835 Rectifier
Commu
nication
Failure
3836 Rectifier
Power
Failure
3837 Rectifier
Output
Overvol
tage
Issue 02 (2023-02-28)
Alarm Possible Cause
Severit
y
Major Cause ID = 1–6
1. The AC voltage is
abnormal.
2. The ambient
temperature is too
high.
Major Cause ID = 1–6
1. The rectifier has
been removed.
2. The rectifier is
faulty and not
working.
Major Cause ID = 1–6
The AC loop is
disconnected.
Major Cause ID = 1–6
The PSU locks out due
to output overvoltage.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
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 rectifier [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
rectifier.
3. If the fault persists, contact your
technical support.
1. Turn off the AC input switch of the
PSU.
2. Remove the rectifier [Number] and
insert it again.
3. If the fault persists, replace the
rectifier [Number] or monitoring
module.
4. If the fault persists after the
replacement, contact your technical
support.
1. Check whether the AC input voltage is
less than 80 V. If yes, check the power
supply. If not, replace the faulty
rectifier [Number].
2. If the fault persists after the
replacement, contact your technical
support.
1. Turn off the AC input switch of the
PSU.
2. Remove the rectifier [Number] and
insert it again.
3. If the fault persists, replace the
rectifier [Number] or monitoring
module.
4. If the fault persists after the
replacement, contact your technical
support.
13 Alarm Reference
162