Huawei LUNA2000-200KWH-2H1 Smart String ESS User Manual page 174

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alarm Alarm
ID Name
3853 ESC
Physical
Location
Failure
3856 Battery
Fault
Protecti
on
3857 Memory
Abnorm
al
Table 13-2 PSU indicator status and troubleshooting
Indicator
Power
indicator
Issue 02 (2023-02-28)
Alarm Possible Cause
Severit
y
Minor Cause ID = 1
ESC physical location
failed.
Major Cause ID = 1
Some battery packs
are severely faulty,
causing the system to
shut down.
Cause ID = 2
The temperature of
some battery packs is
too low. As a result,
charge capacity is not
reached due to low
temperature
protection.
Minor Cause ID = 1
1. The storage space is
insufficient.
2. The memory is
faulty.
NO TE
If ALM-3833 Rectifier Fault, ALM-3834 Rectifier Protection, ALM-3835 Rectifier
Communication Failure, ALM-3836 Rectifier Power Failure, or ALM-3837 Rectifier Output
Overvoltage is generated, rectify the fault by referring to the following table.
Color
Green
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
1. Check whether the network cables
between ESCs are connected properly.
2. Check whether the network cables
between the first and last ESCs and
the CMU are connected properly.
3. Check whether the RS485 cable
between ESC-1 and the CMU is
connected properly.
Maintain the battery pack based on the
alarm and troubleshooting suggestions.
Contact your technical support.
Status Description
Steady on The PSU has
an AC input.
13 Alarm Reference
Suggestion
Normal.
166