Huawei LUNA2000-200KWH-2H1 - 3805 Air Conditioner Temperature High

Alar
m ID
Alarm
Name
Severit
y
Possible Cause Suggestion
3038 Overtemp
erature on
Optimizati
on Unit
Terminal
of Battery
Pack
Major Cause ID = 1
The terminal is not
securely connected.
1. Determine the position of [ESR-
CabinetNo ESM-SlotNo] and the
positions of the input and output
circuit breakers and the DC output
power switch of the PSU
corresponding to [ESR-CabinetNo
ESM-SlotNo].
2. Issue a hibernation command to the
ESR corresponding to the ESC, and
turn
o the switch on the battery
side, the switch on the bus side, and
the DC output switch of the PSU.
Then wait for 5 minutes.
3. Check whether the power cable
wiring bolts of the battery pack and
optimization unit meet the torque
requirements by referring to the
maintenance manual of the product.
4. Turn on the DC output switch of the
PSU, the switch on the battery side,
and the switch on the bus side in
sequence, and issue a running
command.
5. If the alarm persists, contact the
vendor or technical support.
3039
Battery
Pack
Optimizati
on Unit
Version
Mismatch
Minor Cause ID = 1, 2
The update failed.
1. The version of the optimization unit
in [ESR-CabinetNo ESM-SlotNo] does
not match. Please update.
2. If the update fails multiple times,
contact your dealer or technical
support.
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 13 Alarm Reference
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 193