Huawei LUNA2000-200KWH-2H1 User Manual page 170

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alarm Alarm
ID Name
3839 Air
Conditio
ner
Commu
nication
Failure
3840 CO
Sensor
Commu
nication
Failure
3842 ESC
Commu
nication
Failure
3843 TCU
Commu
nication
Failure
Issue 03 (2023-03-30)
Alarm Possible Cause
Severit
y
Minor Cause ID = 1
HVAC-1
communication failed.
Cause ID = 2
HVAC-2
communication failed.
Minor Cause ID = 1
CO sensor-1
communication failed.
Cause ID = 2
CO sensor-2
communication failed.
Minor Cause ID = 1
ESC-1 communication
failed.
Minor Cause ID = 1
TCU-1 communication
failed.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
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 cable of the
device is loose. If yes, connect the
cable securely.
3. If the fault persists, contact your
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.
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 cable of the
device is loose. If yes, connect the
cable securely.
3. If the fault persists, contact your
technical support.
1. Turn off the TCU power switch.
2. Check whether the communication
cable is correctly connected to the
device by referring to the
configuration manual. If not,
reconnect the cable properly.
3. Check whether the power supply of
the device is normal. If not, contact
your technical support.
13 Alarm Reference
161