Huawei LUNA2000-200KWH-2H1 User Manual page 169

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
3838 T/H
Sensor
Commu
nication
Failure
Issue 03 (2023-03-30)
Alarm Possible Cause
Severit
y
Major Cause ID = 1–6
1. The AC voltage is
abnormal.
2. The ambient
temperature is too
high.
3. The rectifier is
faulty.
Major Cause ID = 1–6
1. The rectifier has
been removed.
2. The rectifier is
faulty.
Major Cause ID = 1–6
1. The AC loop is
disconnected.
2. The rectifier is
faulty.
Major Cause ID = 1–6
1. Lockout has
occurred due to
output overvoltage.
2. The rectifier is
faulty.
Minor Cause ID = 1
T/H sensor-1
communication failed.
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 rectifier
[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 rectifier.
3. If the fault persists, contact your
technical support.
1. Turn off the AC input switch of the
PSU.
2. Remove rectifier [Number] and insert
it again.
3. If the fault persists, replace rectifier
[Number] or the monitoring module.
4. If the fault persists, 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 rectifier
[Number].
2. If the fault persists, contact your
technical support.
1. Turn off the AC input switch of the
PSU.
2. Remove rectifier [Number] and insert
it again.
3. If the fault persists, replace rectifier
[Number] or the monitoring module.
4. If the fault persists, contact your
dealer or technical support.
1. Check whether the communication
cable is correctly connected to the
device by referring to the
configuration manual. If not,
reconnect the cable properly.
2. Check whether the power supply of
the device is normal. If not, contact
your technical support.
13 Alarm Reference
160