Huawei Smart String ESS LUNA2000-200KWH-2H1 User Manual page 136

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alarm Alarm
ID Name
3851 Exhaust
Fan Fault
3852 Ambient
Temperat
ure Low
ESC
3853
Physical
Location
Failure
Battery
3856
Fault
Protectio
n
3857 Memory
Abnorma
l
Table 6-2 PSU indicator status and troubleshooting
Indicator
Power indicator
Issue Draft (2022-10-30)
Alarm Possible Cause
Severit
y
Minor Cause ID = 1
Exhaust fan-1 is faulty.
Cause ID = 2
Exhaust fan-2 is faulty.
Cause ID = 1
The ambient temperature
in the battery cabin is too
low.
Minor Cause ID = 1
ESC physical location
failed.
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.
Color
Green
Copyright © Huawei Technologies Co., Ltd.
Suggestion
1. Check whether the cable is loose. If yes,
connect the cable securely. Check whether
the fan is damaged or burnt. If yes, replace
the fan.
2. Check whether the TCU connected to the
exhaust fan works properly.
3. If the fault persists, contact your technical
support.
1. Check whether the air conditioners in the
battery cabin are faulty.
2. Check whether the doors of the battery
cabin are completely closed.
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
Steady on
Off
Description
The PSU has an AC
input.
The PSU has no AC
input.
6 Alarm Reference
Suggestion
Normal.
Check whether the
input is normal. If
yes, replace the
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