Huawei Smart String ESS LUNA2000-200KWH-2H1 - Page 135

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
6 Alarm Reference
Issue Draft (2022-10-30)
Copyright © Huawei Technologies Co., Ltd.
128
Alarm
ID
Alarm
Name
Alarm
Severit
y
Possible Cause
Suggestion
ication
Failure
failed.
reconnect the cable properly.
2. Check whether the power cable of the
device is loose. If yes, connect it securely.
3. If the fault persists, contact your technical
support.
3845
SmartMo
dule
Commun
ication
Failure
Minor
Cause ID = 1
SmartModule
communication failed.
1. Check whether the communication cable is
correctly connected to the device. If not,
reconnect the cable properly.
2. Check whether the power cable of the
device is loose. If yes, connect it securely.
3. Check whether a certificate expiration alarm
is displayed in the alarm list. If yes, contact
your technical support.
4. If the fault persists, contact your technical
support.
3846
CMU
Commun
ication
Failure
Minor
Cause ID = 1
CMU communication
failed.
1. Check whether the communication cable is
correctly connected to the device. If not,
reconnect the cable properly.
2. Check whether the power cable of the
device is loose. If yes, connect it securely.
3. If the fault persists, contact your technical
support.
3847
Fire
Suppressi
on
Module
Pressure
Insufficie
nt
Cause ID = 1
The gas pressure of the
fire suppression module is
insufficient for more than
three days.
Check the fire suppression module and the
pressure gauge, and replace the fire suppression
module.
3048
T/H
Control
Mode:
Manual
Minor
Cause ID = 1
The temperature and
humidity control mode is
set to manual.
After the commissioning is complete, set the
temperature and humidity control mode to
automatic.
3849
Air
Exhaust
Malfunct
ion
Cause ID = 1
There are too many faulty
exhaust fans.
Cause ID = 2
There are too many faulty
TCUs.
Cause ID = 1
Repair the exhaust fan based on the fault alarm.
Cause ID = 2
1. Repair the TCU based on the fault alarm.
2. On the maintenance screen, check that the
TCU is correctly connected.
3850
Combusti
ble Gas
Detection
Malfunct
ion
Cause ID = 1
There are too many faulty
combustible gas sensors.
1. Repair the combustible gas sensor based on
the fault alarm.
2. On the maintenance screen, check that the
combustible gas sensor is correctly
connected.